Month	Percent
1968-01-01	1.258876694641700
1968-02-01	1.295756397797210
1968-03-01	1.335877862595420
1968-04-01	0.966936993137866
1968-05-01	0.801232665639445
1968-06-01	0.797057020232986
1968-07-01	0.955315870570108
1968-08-01	0.927930714506650
1968-09-01	0.923645320197044
1968-10-01	0.766166104811523
1968-11-01	0.799753921870194
1968-12-01	0.787401574803150
1969-01-01	1.085915043117210
1969-02-01	1.140684410646390
1969-03-01	1.091022443890270
1969-04-01	0.889025137952176
1969-05-01	0.909918107370336
1969-06-01	0.905797101449275
1969-07-01	0.912408759124088
1969-08-01	0.916310323762981
1969-09-01	0.816944024205749
1969-10-01	0.726612170753860
1969-11-01	0.761962816214569
1969-12-01	0.711853915196534
1970-01-01	1.034158570980880
1970-02-01	1.033187226048840
1970-03-01	0.983405039950830
1970-04-01	0.994874886946036
1970-05-01	0.837070254110613
1970-06-01	0.778909526662672
1970-07-01	0.812518808305748
1970-08-01	0.907715582450832
1970-09-01	0.781719783523752
1970-10-01	0.750300120048019
1970-11-01	0.939963614311704
1970-12-01	0.831536803202956
1971-01-01	1.090003114294610
1971-02-01	1.152647975077880
1971-03-01	1.096224116930570
1971-04-01	0.940533980582524
1971-05-01	0.756200846944949
1971-06-01	0.753920386007238
1971-07-01	0.843373493975904
1971-08-01	0.844900422450211
1971-09-01	0.816449954641669
1971-10-01	0.900900900900901
1971-11-01	0.869565217391304
1971-12-01	1.004872107186360
1972-01-01	1.495726495726500
1972-02-01	1.342281879194630
1972-03-01	1.177536231884060
1972-04-01	0.984193259767372
1972-05-01	0.970588235294118
1972-06-01	0.938141307534447
1972-07-01	0.987224157955865
1972-08-01	0.928074245939675
1972-09-01	0.981240981240981
1972-10-01	0.855920114122682
1972-11-01	0.891829689298044
1972-12-01	1.042873696407880
1973-01-01	1.218097447795820
1973-02-01	1.123271889400920
1973-03-01	1.115241635687730
1973-04-01	1.107011070110700
1973-05-01	0.983422309637539
1973-06-01	0.946811473127262
1973-07-01	0.948131622978249
1973-08-01	0.952114253710445
1973-09-01	0.975202006129841
1973-10-01	0.849315068493151
1973-11-01	0.855408388520971
1973-12-01	0.933257918552036
1974-01-01	1.217785329934860
1974-02-01	1.349072512647550
1974-03-01	1.335930976899530
1974-04-01	0.991462407050399
1974-05-01	0.901393062004917
1974-06-01	0.843537414965986
1974-07-01	0.959429824561404
1974-08-01	1.230853391684900
1974-09-01	1.065864990434540
1974-10-01	1.195327356696550
1974-11-01	1.088731627653780
1974-12-01	1.410788381742740
1975-01-01	1.707726763717800
1975-02-01	1.912947047407820
1975-03-01	1.812191103789130
1975-04-01	1.610701610701610
1975-05-01	1.341561577676420
1975-06-01	1.275239107332620
1975-07-01	1.335113484646200
1975-08-01	1.553710152692200
1975-09-01	1.571656899307410
1975-10-01	1.541733120680490
1975-11-01	1.520405441451050
1975-12-01	1.697198275862070
1976-01-01	2.145573058120590
1976-02-01	2.077151335311570
1976-03-01	1.980198019801980
1976-04-01	1.620185922974770
1976-05-01	1.601470202152800
1976-06-01	1.614583333333330
1976-07-01	1.436781609195400
1976-08-01	1.543290609469000
1976-09-01	1.509237574811350
1976-10-01	1.581540057039150
1976-11-01	1.540067867397550
1976-12-01	1.366263794009460
1977-01-01	1.770613107822410
1977-02-01	1.926629717603590
1977-03-01	1.883830455259030
1977-04-01	1.570950296162760
1977-05-01	1.656050955414010
1977-06-01	1.576805696846390
1977-07-01	1.503951057863880
1977-08-01	1.614142966948500
1977-09-01	1.603461440570120
1977-10-01	1.494806181910310
1977-11-01	1.528273051451860
1977-12-01	1.746724890829690
1978-01-01	1.923076923076920
1978-02-01	2.143041569842500
1978-03-01	2.078521939953810
1978-04-01	1.878649403401880
1978-05-01	1.725431357839460
1978-06-01	1.742593975603680
1978-07-01	1.732362540798390
1978-08-01	1.890597428787500
1978-09-01	1.931761164074260
1978-10-01	1.771015215764530
1978-11-01	1.778111695467070
1978-12-01	1.769911504424780
1979-01-01	1.878172588832490
1979-02-01	1.855617691916620
1979-03-01	1.999493799038220
1979-04-01	1.823632275793160
1979-05-01	1.608910891089110
1979-06-01	1.581809194265940
1979-07-01	1.633663366336630
1979-08-01	1.689860834990060
1979-09-01	1.613303549267810
1979-10-01	1.600590987441520
1979-11-01	1.656365883807170
1979-12-01	1.600400100025010
1980-01-01	1.711552982632770
1980-02-01	1.660377358490570
1980-03-01	1.732797589151180
1980-04-01	1.584943041109460
1980-05-01	1.574803149606300
1980-06-01	1.519607843137250
1980-07-01	1.649839940901260
1980-08-01	1.679427019017040
1980-09-01	1.597836774827930
1980-10-01	1.689520078354550
1980-11-01	1.819075712881020
1980-12-01	1.712583767684290
1981-01-01	1.800000000000000
1981-02-01	1.901426069552160
1981-03-01	1.911618669314800
1981-04-01	1.915520628683690
1981-05-01	1.904296875000000
1981-06-01	1.810619035967700
1981-07-01	1.739769664297970
1981-08-01	1.598229653307110
1981-09-01	1.667484060814120
1981-10-01	1.730441140628810
1981-11-01	1.731707317073170
1981-12-01	1.769476529859920
1982-01-01	1.978728666831560
1982-02-01	1.927353595255740
1982-03-01	2.014742014742010
1982-04-01	1.925420424079940
1982-05-01	1.793939393939390
1982-06-01	1.868025230470650
1982-07-01	1.832844574780060
1982-08-01	1.761683386346950
1982-09-01	1.942690626517730
1982-10-01	2.005799903334940
1982-11-01	1.823929961089490
1982-12-01	1.945525291828790
1983-01-01	2.342034642595760
1983-02-01	2.471250305847810
1983-03-01	2.412280701754390
1983-04-01	2.342995169082130
1983-05-01	2.185923612779250
1983-06-01	2.067307692307690
1983-07-01	1.999518188388340
1983-08-01	2.209944751381220
1983-09-01	2.227011494252870
1983-10-01	2.060867481428230
1983-11-01	2.026049204052100
1983-12-01	2.046783625730990
1984-01-01	2.303357020338150
1984-02-01	2.351212343864810
1984-03-01	2.385008517887560
1984-04-01	2.244750181028240
1984-05-01	2.208353336533850
1984-06-01	2.222753346080310
1984-07-01	2.089337175792510
1984-08-01	2.115893243568170
1984-09-01	2.076372315035800
1984-10-01	2.118543203999050
1984-11-01	2.081339712918660
1984-12-01	1.985472154963680
1985-01-01	2.234636871508380
1985-02-01	2.263875365141190
1985-03-01	2.283770651117590
1985-04-01	2.066314271984620
1985-05-01	2.056432329029170
1985-06-01	2.154140737194830
1985-07-01	1.967842572594190
1985-08-01	1.924927815206930
1985-09-01	2.074391988555080
1985-10-01	2.051526717557250
1985-11-01	2.109805801965960
1985-12-01	2.067623449282410
1986-01-01	2.330662782228700
1986-02-01	2.231926249393500
1986-03-01	2.391304347826090
1986-04-01	2.368421052631580
1986-05-01	2.157238734419940
1986-06-01	2.153625269203160
1986-07-01	2.127659574468080
1986-08-01	2.175992348158780
1986-09-01	2.101241642788920
1986-10-01	2.054467271858580
1986-11-01	2.044252044252040
1986-12-01	2.207130730050930
1987-01-01	2.457420924574210
1987-02-01	2.403495994173340
1987-03-01	2.457239219465190
1987-04-01	2.573879885605340
1987-05-01	2.599570713093250
1987-06-01	2.340019102196750
1987-07-01	2.004294917680740
1987-08-01	2.006688963210700
1987-09-01	2.101241642788920
1987-10-01	2.123598186590310
1987-11-01	2.081339712918660
1987-12-01	2.042287361845270
1988-01-01	2.265060240963860
1988-02-01	2.339040270074750
1988-03-01	2.261790182868140
1988-04-01	1.999523922875510
1988-05-01	1.965427421264500
1988-06-01	1.779359430604980
1988-07-01	1.869822485207100
1988-08-01	1.975720066650800
1988-09-01	1.905669366364940
1988-10-01	1.927194860813700
1988-11-01	1.760228353948620
1988-12-01	1.649928263988520
1989-01-01	1.899951899951900
1989-02-01	1.890856869315460
1989-03-01	1.908396946564890
1989-04-01	1.918067724366560
1989-05-01	1.832706766917290
1989-06-01	1.642806852851440
1989-07-01	1.575358570420880
1989-08-01	1.702127659574470
1989-09-01	1.745283018867920
1989-10-01	1.720075400565500
1989-11-01	1.650554114595610
1989-12-01	1.563240170535290
1990-01-01	1.870708027468620
1990-02-01	1.701725360434890
1990-03-01	1.629664619744920
1990-04-01	1.741996233521660
1990-05-01	1.703617269544920
1990-06-01	1.635896237438650
1990-07-01	1.503053076561770
1990-08-01	1.626591230551630
1990-09-01	1.703617269544920
1990-10-01	1.658103689864550
1990-11-01	1.498127340823970
1990-12-01	1.483050847457630
1991-01-01	1.626207871788830
1991-02-01	1.601507300989170
1991-03-01	1.785294808550620
1991-04-01	1.757675181626440
1991-05-01	1.704412794770020
1991-06-01	1.586560895940270
1991-07-01	1.549295774647890
1991-08-01	1.596618924630200
1991-09-01	1.750700280112040
1991-10-01	1.655011655011660
1991-11-01	1.536670547147850
1991-12-01	1.475064387731210
1992-01-01	1.770956316410860
1992-02-01	1.737089201877930
1992-03-01	1.714017374970650
1992-04-01	1.614412728123540
1992-05-01	1.653855112974610
1992-06-01	1.629043518734000
1992-07-01	1.591015442208700
1992-08-01	1.687763713080170
1992-09-01	1.772388059701490
1992-10-01	1.825745320083200
1992-11-01	1.850566736062920
1992-12-01	1.726148822020060
1993-01-01	1.903195488721800
1993-02-01	2.030696576151120
1993-03-01	1.956163092151780
1993-04-01	1.867413632119510
1993-05-01	1.925307353282300
1993-06-01	1.859600185960020
1993-07-01	1.892523364485980
1993-08-01	2.031760859411490
1993-09-01	2.065444418658620
1993-10-01	2.126184423388030
1993-11-01	2.170399445855460
1993-12-01	2.180468568777550
1994-01-01	2.402612549568460
1994-02-01	2.459592410400560
1994-03-01	2.411048689138580
1994-04-01	2.273781902552200
1994-05-01	2.275339002528150
1994-06-01	2.165399677493660
1994-07-01	2.227378190255220
1994-08-01	2.490689013035380
1994-09-01	2.428307123034230
1994-10-01	2.462600690448790
1994-11-01	2.270094973361130
1994-12-01	2.240896358543420
1995-01-01	2.500000000000000
1995-02-01	2.520420070011670
1995-03-01	2.562907735321530
1995-04-01	2.528415680816520
1995-05-01	2.557014512785070
1995-06-01	2.411021814006890
1995-07-01	2.399630826026760
1995-08-01	2.638888888888890
1995-09-01	2.733746841258900
1995-10-01	2.692130694891850
1995-11-01	2.705202312138730
1995-12-01	2.667594525632100
1996-01-01	2.764227642276420
1996-02-01	2.654249126891730
1996-03-01	2.631578947368420
1996-04-01	2.784169351127470
1996-05-01	2.847955902618280
1996-06-01	2.677345537757440
1996-07-01	2.634593356242840
1996-08-01	2.739410681399630
1996-09-01	2.676733013040490
1996-10-01	2.787934186471660
1996-11-01	2.783528870485390
1996-12-01	2.564102564102560
1997-01-01	2.662382373192560
1997-02-01	2.821100917431190
1997-03-01	2.770146520146520
1997-04-01	2.713797035347780
1997-05-01	2.953203089504770
1997-06-01	2.828054298642530
1997-07-01	2.753755120619030
1997-08-01	2.948571428571430
1997-09-01	2.901836318295170
1997-10-01	2.920534299298170
1997-11-01	2.854532998401460
1997-12-01	2.700846875715270
1998-01-01	2.852578731172980
1998-02-01	2.953296703296700
1998-03-01	3.127139922392150
1998-04-01	3.376682637462920
1998-05-01	3.563322741715840
1998-06-01	3.438136168287720
1998-07-01	3.322712790168410
1998-08-01	3.750000000000000
1998-09-01	3.783416402356140
1998-10-01	3.784273736687060
1998-11-01	3.726425812315380
1998-12-01	3.464097270016060
1999-01-01	3.809960982327290
1999-02-01	3.969710876548880
1999-03-01	4.116167390807230
1999-04-01	4.237867395762130
1999-05-01	4.142011834319530
1999-06-01	4.142011834319530
1999-07-01	3.966263961705040
1999-08-01	3.971856559237400
1999-09-01	3.931314957071850
1999-10-01	3.916685533167310
1999-11-01	3.686114880144730
1999-12-01	3.760255241567910
2000-01-01	4.113345521023770
2000-02-01	4.223744292237440
2000-03-01	4.338890157570220
2000-04-01	4.259175351155420
2000-05-01	4.102795311091070
2000-06-01	3.964856949763460
2000-07-01	3.955696202531650
2000-08-01	3.956590549400860
2000-09-01	4.063205417607220
2000-10-01	3.964856949763460
2000-11-01	3.878054247926470
2000-12-01	3.807163775625140
2001-01-01	4.068329961789170
2001-02-01	4.114208633093520
2001-03-01	4.264440433213000
2001-04-01	4.406474820143880
2001-05-01	4.279028303989300
2001-06-01	4.412747938488970
2001-07-01	4.294341310668750
2001-08-01	4.345878136200720
2001-09-01	4.609532333855450
2001-10-01	4.574871680428480
2001-11-01	4.732281715174410
2001-12-01	4.619869925992380
2002-01-01	4.714415231187670
2002-02-01	4.869762174405440
2002-03-01	4.978501923512110
2002-04-01	4.875283446712020
2002-05-01	4.960362400906000
2002-06-01	4.857659286037050
2002-07-01	4.910613260918760
2002-08-01	4.942189979596460
2002-09-01	5.115436849253060
2002-10-01	5.072137060414790
2002-11-01	4.619197836863450
2002-12-01	4.620987935351700
2003-01-01	4.928931682714350
2003-02-01	4.700460829493090
2003-03-01	4.919908466819220
2003-04-01	4.974782209995420
2003-05-01	4.944178628389160
2003-06-01	4.769475357710650
2003-07-01	4.682503426222020
2003-08-01	4.536082474226800
2003-09-01	4.789184234647110
2003-10-01	4.702122803013010
2003-11-01	4.553775743707090
2003-12-01	4.104219506571360
2004-01-01	4.505545286506470
2004-02-01	4.725503822098680
2004-03-01	4.454756380510440
2004-04-01	4.492820750347380
2004-05-01	4.475201845444060
2004-06-01	4.346820809248550
2004-07-01	4.407330085826950
2004-08-01	4.354876071345840
2004-09-01	4.291347715147300
2004-10-01	4.404265183124710
2004-11-01	4.059729351376580
2004-12-01	3.921108241371210
2005-01-01	4.359034450433560
2005-02-01	4.456955195871450
2005-03-01	4.390702042733040
2005-04-01	4.288727443168500
2005-05-01	4.250871080139370
2005-06-01	3.963627885287950
2005-07-01	4.133582438113030
2005-08-01	4.104127579737340
2005-09-01	4.035456029857710
2005-10-01	4.303326354966270
2005-11-01	4.162746942615240
2005-12-01	3.833412210127780
2006-01-01	4.153882464007550
2006-02-01	3.966942148760330
2006-03-01	3.980216674517190
2006-04-01	3.742056954577550
2006-05-01	3.806632414759460
2006-06-01	3.775797373358350
2006-07-01	3.814457263951020
2006-08-01	3.968067621507400
2006-09-01	3.890321068666510
2006-10-01	3.955066697870350
2006-11-01	3.875058713010800
2006-12-01	3.760643330179750
2007-01-01	3.811338732729870
2007-02-01	3.789323164918970
2007-03-01	3.955471340596870
2007-04-01	3.769140164899880
2007-05-01	3.541275797373360
2007-06-01	3.436911487758950
2007-07-01	3.480113636363640
2007-08-01	3.598484848484850
2007-09-01	3.806146572104020
2007-10-01	4.005655042412820
2007-11-01	3.557126030624260
2007-12-01	3.307347035199620
2008-01-01	3.795966785290630
2008-02-01	4.000952607763750
2008-03-01	3.834246249106930
2008-04-01	3.870814533365000
2008-05-01	3.878902554399240
2008-06-01	3.854339087254670
2008-07-01	3.726560645620700
2008-08-01	3.939250118652110
2008-09-01	3.859815297182100
2008-10-01	3.860729512079580
2008-11-01	3.753541076487250
2008-12-01	4.049254084773860
2009-01-01	4.317912218268090
2009-02-01	4.542211652794290
2009-03-01	4.786854012860200
2009-04-01	4.942965779467680
2009-05-01	5.124555160142350
2009-06-01	5.153170268344810
2009-07-01	5.316876335153100
2009-08-01	5.332704105710240
2009-09-01	5.271828665568370
2009-10-01	5.067169455573890
2009-11-01	4.895931882686850
2009-12-01	4.731336186400380
2010-01-01	4.884441267572080
2010-02-01	4.882114789235530
2010-03-01	4.995242626070410
2010-04-01	5.028462998102470
2010-05-01	4.850922858495030
2010-06-01	4.919201520912550
2010-07-01	4.841006169909820
2010-08-01	4.997631454287070
2010-09-01	4.931571495988670
2010-10-01	4.772029293645170
2010-11-01	4.694167852062590
2010-12-01	4.506437768240340
2011-01-01	4.689359676267560
2011-02-01	4.585412211926820
2011-03-01	4.499760651029200
2011-04-01	4.538939321548020
2011-05-01	4.548702071921890
2011-06-01	4.827586206896550
2011-07-01	4.750537121031270
2011-08-01	4.339486933589070
2011-09-01	4.098165356206810
2011-10-01	4.249762583095920
2011-11-01	4.191474160514410
2011-12-01	4.144705318639200
2012-01-01	4.262452107279690
2012-02-01	4.177671068427370
2012-03-01	4.413528424082510
2012-04-01	4.482594182165000
2012-05-01	4.406860409718910
2012-06-01	4.350927246790300
2012-07-01	4.376943314996410
2012-08-01	4.220623501199040
2012-09-01	4.292869067493440
2012-10-01	4.139900071377590
2012-11-01	3.936068702290080
2012-12-01	3.818443804034580
2013-01-01	4.109916367980880
2013-02-01	4.427955959789370
2013-03-01	4.261431649509220
2013-04-01	4.305423406279730
2013-05-01	4.271476032273370
2013-06-01	3.944866920152090
2013-07-01	3.915015516829790
2013-08-01	4.107953188440410
2013-09-01	3.962040332147090
2013-10-01	4.139072847682120
2013-11-01	3.745851114272170
2013-12-01	3.516274649560470
2014-01-01	3.678051110580370
2014-02-01	3.682448589191770
2014-03-01	3.638104356151270
2014-04-01	3.793843951324270
2014-05-01	3.633341249109480
2014-06-01	3.619047619047620
2014-07-01	3.726708074534160
2014-08-01	3.514224240975380
2014-09-01	3.655352480417750
2014-10-01	3.644970414201180
2014-11-01	3.377735490009510
2014-12-01	3.170441001191900
2015-01-01	3.518429870751560
2015-02-01	3.442505378914650
2015-03-01	3.441682600382410
2015-04-01	3.503719702423810
2015-05-01	3.393881453154880
2015-06-01	3.450737743931460
2015-07-01	3.515064562410330
2015-08-01	3.398755385351840
2015-09-01	3.465464039876570
2015-10-01	3.206650831353920
2015-11-01	3.416965352449220
2015-12-01	3.271251193887300
2016-01-01	3.284932159009760
2016-02-01	3.185628742514970
2016-03-01	3.071017274472170
2016-04-01	3.357314148681060
2016-05-01	3.279080899952130
2016-06-01	3.221188260558340
2016-07-01	3.051251489868890
2016-08-01	3.147353361945640
2016-09-01	2.977608384945210
2016-10-01	2.956604673342870
2016-11-01	3.165159447881960
2016-12-01	3.001429252024770
2017-01-01	2.987571701720840
2017-02-01	2.972195589645250
2017-03-01	2.831094049904030
2017-04-01	2.924256951102590
2017-05-01	3.078024337866860
2017-06-01	2.743320610687020
2017-07-01	2.863961813842480
2017-08-01	2.842130403630280
2017-09-01	2.809523809523810
2017-10-01	2.662229617304490
2017-11-01	2.751423149905120
2017-12-01	2.623419985690440
2018-01-01	2.537099090473910
2018-02-01	2.483285577841450
2018-03-01	2.595856156227670
2018-04-01	2.618424184717920
2018-05-01	2.291716400095490
2018-06-01	2.504173622704510
2018-07-01	2.526817640047680
2018-08-01	2.433786685755190
2018-09-01	2.397341561832420