Month	Percent
1968-01-01	1.300424628450110
1968-02-01	1.334044823906080
1968-03-01	1.300052002080080
1968-04-01	0.987591795391238
1968-05-01	0.847457627118644
1968-06-01	0.818249442102653
1968-07-01	1.000500250125060
1968-08-01	0.976953907815631
1968-09-01	0.896191187453324
1968-10-01	0.792275315672196
1968-11-01	0.798801797304044
1968-12-01	0.848111025443331
1969-01-01	1.150627615062760
1969-02-01	1.170960187353630
1969-03-01	1.146204788588890
1969-04-01	0.943864878291108
1969-05-01	0.880626223091976
1969-06-01	0.903540903540904
1969-07-01	0.863557858376511
1969-08-01	0.914709517923362
1969-09-01	0.854700854700855
1969-10-01	0.734214390602056
1969-11-01	0.745341614906832
1969-12-01	0.810331729551785
1970-01-01	1.051012560881830
1970-02-01	1.077199281867150
1970-03-01	1.005530417295120
1970-04-01	0.980872976949485
1970-05-01	0.873150618481688
1970-06-01	0.822249093107618
1970-07-01	0.849720806020879
1970-08-01	0.931600882569257
1970-09-01	0.851581508515815
1970-10-01	0.923450789793439
1970-11-01	0.939896116744991
1970-12-01	0.858802727961606
1971-01-01	1.148838396732190
1971-02-01	1.199897881031400
1971-03-01	1.144563324210000
1971-04-01	1.009106571498890
1971-05-01	0.852618757612668
1971-06-01	0.848279205041202
1971-07-01	0.898494414764449
1971-08-01	0.902218970982687
1971-09-01	0.902659185167114
1971-10-01	0.969932104752667
1971-11-01	1.021400778210120
1971-12-01	1.119681512814130
1972-01-01	1.555444054189660
1972-02-01	1.480180632212740
1972-03-01	1.430332922318130
1972-04-01	1.281431334622820
1972-05-01	1.047120418848170
1972-06-01	0.974797907750832
1972-07-01	1.060070671378090
1972-08-01	0.990799716914366
1972-09-01	1.012241054613940
1972-10-01	0.907821229050279
1972-11-01	0.943841434638981
1972-12-01	1.072705601907030
1973-01-01	1.265218429219380
1973-02-01	1.279014684983420
1973-03-01	1.196060037523450
1973-04-01	1.160092807424590
1973-05-01	1.032583754015600
1973-06-01	1.021102791014300
1973-07-01	0.953895071542130
1973-08-01	0.936500685244404
1973-09-01	0.998864926220204
1973-10-01	0.844069302532208
1973-11-01	0.855085508550855
1973-12-01	0.953710165154687
1974-01-01	1.285647498831230
1974-02-01	1.416299048061300
1974-03-01	1.398120559248220
1974-04-01	1.016489722159480
1974-05-01	0.962183933765943
1974-06-01	0.934995547640249
1974-07-01	0.940860215053764
1974-08-01	1.187010078387460
1974-09-01	1.118318049653320
1974-10-01	1.222222222222220
1974-11-01	1.165396683101750
1974-12-01	1.459854014598540
1975-01-01	1.758445164275800
1975-02-01	1.929260450160770
1975-03-01	1.902604756511890
1975-04-01	1.659937191565720
1975-05-01	1.491882404563400
1975-06-01	1.434782608695650
1975-07-01	1.417975567190230
1975-08-01	1.599824676747750
1975-09-01	1.660476294516060
1975-10-01	1.658302421994330
1975-11-01	1.626016260162600
1975-12-01	1.869574894279990
1976-01-01	2.295229522952300
1976-02-01	2.215756490599820
1976-03-01	2.076430307046610
1976-04-01	1.832061068702290
1976-05-01	1.761925225612380
1976-06-01	1.710498182595680
1976-07-01	1.669520547945210
1976-08-01	1.670593274791180
1976-09-01	1.622891308989960
1976-10-01	1.637601020842190
1976-11-01	1.633354824844190
1976-12-01	1.589375136076640
1977-01-01	1.979327028810200
1977-02-01	2.086536349659560
1977-03-01	2.018229166666670
1977-04-01	1.699957501062470
1977-05-01	1.715481171548120
1977-06-01	1.729887453105460
1977-07-01	1.629412993524130
1977-08-01	1.677148846960170
1977-09-01	1.650302903697510
1977-10-01	1.626016260162600
1977-11-01	1.657574485942090
1977-12-01	1.870350690754520
1978-01-01	2.137767220902610
1978-02-01	2.313129149710860
1978-03-01	2.205258693808310
1978-04-01	2.008788449466420
1978-05-01	1.961986511342730
1978-06-01	1.910957511689370
1978-07-01	1.809954751131220
1978-08-01	1.938943894389440
1978-09-01	1.969634796881410
1978-10-01	1.901840490797550
1978-11-01	1.952322235922730
1978-12-01	2.000833680700290
1979-01-01	2.103491796381990
1979-02-01	2.044257112750260
1979-03-01	2.107239724598370
1979-04-01	1.967213114754100
1979-05-01	1.757575757575760
1979-06-01	1.712673786016520
1979-07-01	1.756511205330100
1979-08-01	1.800525996358490
1979-09-01	1.741243166632920
1979-10-01	1.773835920177380
1979-11-01	1.804175957834990
1979-12-01	1.829769736842110
1980-01-01	1.896623593163820
1980-02-01	1.825347438290810
1980-03-01	1.948318293683350
1980-04-01	1.749095295536790
1980-05-01	1.681008605163100
1980-06-01	1.651741293532340
1980-07-01	1.756487025948100
1980-08-01	1.782138566279540
1980-09-01	1.695253290785800
1980-10-01	1.755435866746460
1980-11-01	1.968662113298510
1980-12-01	1.935221022611530
1981-01-01	2.034525277435260
1981-02-01	2.151198524892440
1981-03-01	2.146183437942900
1981-04-01	2.088305489260140
1981-05-01	2.035975489227120
1981-06-01	1.956521739130430
1981-07-01	1.862492569843470
1981-08-01	1.765522713747270
1981-09-01	1.835767864192660
1981-10-01	1.909824768655250
1981-11-01	1.902497027348390
1981-12-01	1.965109284138760
1982-01-01	2.169945244372340
1982-02-01	2.080808080808080
1982-03-01	2.094554159186120
1982-04-01	2.166207168176450
1982-05-01	2.023346303501950
1982-06-01	2.083333333333330
1982-07-01	2.021589793915600
1982-08-01	1.904948939512960
1982-09-01	2.031646806016800
1982-10-01	2.137998056365400
1982-11-01	2.078838988036870
1982-12-01	2.170909808565230
1983-01-01	2.615415098078070
1983-02-01	2.674856350307110
1983-03-01	2.615021627998430
1983-04-01	2.518891687657430
1983-05-01	2.318007662835250
1983-06-01	2.182653647329120
1983-07-01	2.173913043478260
1983-08-01	2.440899481068610
1983-09-01	2.390057361376670
1983-10-01	2.254489873901410
1983-11-01	2.277992277992280
1983-12-01	2.297270763793440
1984-01-01	2.560539896784440
1984-02-01	2.647698083382730
1984-03-01	2.611067809820730
1984-04-01	2.478386167146970
1984-05-01	2.385496183206110
1984-06-01	2.393617021276600
1984-07-01	2.291825821237590
1984-08-01	2.297090352220520
1984-09-01	2.314112291350530
1984-10-01	2.349374763167870
1984-11-01	2.311365807067810
1984-12-01	2.238224990268590
1985-01-01	2.425665101721440
1985-02-01	2.519039250146460
1985-03-01	2.534829721362230
1985-04-01	2.320715236827090
1985-05-01	2.225995095265040
1985-06-01	2.288632494798560
1985-07-01	2.142992603830840
1985-08-01	2.091254752851710
1985-09-01	2.245283018867920
1985-10-01	2.265861027190330
1985-11-01	2.402745995423340
1985-12-01	2.409638554216870
1986-01-01	2.605483181022750
1986-02-01	2.543195496020190
1986-03-01	2.616894362132000
1986-04-01	2.552950075642970
1986-05-01	2.278719397363460
1986-06-01	2.314640572073770
1986-07-01	2.366641622839970
1986-08-01	2.389913436206250
1986-09-01	2.365308804204990
1986-10-01	2.327764220011260
1986-11-01	2.311919651317040
1986-12-01	2.471264367816090
1987-01-01	2.737613263929050
1987-02-01	2.736558103680860
1987-03-01	2.724328443513050
1987-04-01	2.737671104444030
1987-05-01	2.717795979151150
1987-06-01	2.528350994608660
1987-07-01	2.219735124044020
1987-08-01	2.352062721672580
1987-09-01	2.400893355667220
1987-10-01	2.304404385801900
1987-11-01	2.298635769015140
1987-12-01	2.244436061863450
1988-01-01	2.523719165085390
1988-02-01	2.543177073448470
1988-03-01	2.392164249387830
1988-04-01	2.189239332096480
1988-05-01	2.113582062120930
1988-06-01	1.951399116347570
1988-07-01	2.056555269922880
1988-08-01	2.210759027266030
1988-09-01	2.118644067796610
1988-10-01	2.081798084008840
1988-11-01	2.017024426350850
1988-12-01	1.978719432518200
1989-01-01	2.148511119487370
1989-02-01	2.121667292527220
1989-03-01	2.082558571959840
1989-04-01	2.054292002934700
1989-05-01	2.030825022665460
1989-06-01	1.810938065918150
1989-07-01	1.754385964912280
1989-08-01	1.869667816300600
1989-09-01	1.866956679354720
1989-10-01	1.866280123210730
1989-11-01	1.837031647871950
1989-12-01	1.703608719545700
1990-01-01	2.048348403764530
1990-02-01	1.914580265095730
1990-03-01	1.768137076193950
1990-04-01	1.840158758794880
1990-05-01	1.732761700607360
1990-06-01	1.697034655234010
1990-07-01	1.608291636883490
1990-08-01	1.705259378926580
1990-09-01	1.850533807829180
1990-10-01	1.835679914453750
1990-11-01	1.683984235041200
1990-12-01	1.606788228922190
1991-01-01	1.794453507340950
1991-02-01	1.740076128330610
1991-03-01	1.864467551093580
1991-04-01	1.901546116936200
1991-05-01	1.730225988700560
1991-06-01	1.651440618411810
1991-07-01	1.676371978118930
1991-08-01	1.747881355932200
1991-09-01	1.792618629173990
1991-10-01	1.709552344025380
1991-11-01	1.678445229681980
1991-12-01	1.619217081850530
1992-01-01	1.921350332196090
1992-02-01	1.800356506238860
1992-03-01	1.795555555555560
1992-04-01	1.732673267326730
1992-05-01	1.768516897215900
1992-06-01	1.708805579773320
1992-07-01	1.686874011597260
1992-08-01	1.754693805930860
1992-09-01	1.883173496076720
1992-10-01	1.895652173913040
1992-11-01	1.916042501306390
1992-12-01	1.867183371499030
1993-01-01	2.014619361740060
1993-02-01	2.067736185383240
1993-03-01	2.018771028864880
1993-04-01	1.947710124583260
1993-05-01	2.115484654066240
1993-06-01	1.976764348881570
1993-07-01	1.985716774081170
1993-08-01	2.089500261187530
1993-09-01	2.183708838821490
1993-10-01	2.237640936686900
1993-11-01	2.294853963838660
1993-12-01	2.295426669002980
1994-01-01	2.507947721653130
1994-02-01	2.635302440749910
1994-03-01	2.534318901795140
1994-04-01	2.346193952033370
1994-05-01	2.357597659611080
1994-06-01	2.340791738382100
1994-07-01	2.353755624783660
1994-08-01	2.599653379549390
1994-09-01	2.592016588906170
1994-10-01	2.574736478313460
1994-11-01	2.469994781701170
1994-12-01	2.422327540810950
1995-01-01	2.664079040225830
1995-02-01	2.643171806167400
1995-03-01	2.673423029879430
1995-04-01	2.647058823529410
1995-05-01	2.678111587982830
1995-06-01	2.564979480164160
1995-07-01	2.505147563486620
1995-08-01	2.651058702014120
1995-09-01	2.745098039215690
1995-10-01	2.830188679245280
1995-11-01	2.857142857142860
1995-12-01	2.855153203342620
1996-01-01	3.065335435277630
1996-02-01	2.903907074973600
1996-03-01	2.759937510848810
1996-04-01	2.900789564023340
1996-05-01	2.987367702287470
1996-06-01	2.800882702427430
1996-07-01	2.763180200033900
1996-08-01	2.895588485777550
1996-09-01	2.806424344885880
1996-10-01	2.890466531440160
1996-11-01	2.832281180685890
1996-12-01	2.803577571379430
1997-01-01	2.888583218707020
1997-02-01	3.002745367192860
1997-03-01	2.823609457390710
1997-04-01	2.834486249367300
1997-05-01	2.992310264125710
1997-06-01	2.825328236662790
1997-07-01	2.822311289245160
1997-08-01	2.959475365730620
1997-09-01	3.000335232986930
1997-10-01	3.040935672514620
1997-11-01	3.003712453594330
1997-12-01	2.883310719131610
1998-01-01	3.090507726269320
1998-02-01	3.203817314246760
1998-03-01	3.408707391157610
1998-04-01	3.639107831628380
1998-05-01	3.686482896047820
1998-06-01	3.630636604774540
1998-07-01	3.485657104736490
1998-08-01	3.867955985328440
1998-09-01	3.833972328721450
1998-10-01	3.798733755414860
1998-11-01	3.859060402684560
1998-12-01	3.654822335025380
1999-01-01	3.981026596645770
1999-02-01	4.124936343574940
1999-03-01	4.262847514743050
1999-04-01	4.323151393757300
1999-05-01	4.196384143307350
1999-06-01	4.216467463479420
1999-07-01	4.109133255697890
1999-08-01	4.094148848002650
1999-09-01	3.994717728623310
1999-10-01	4.017192924450320
1999-11-01	3.836571998006980
1999-12-01	3.830645161290320
2000-01-01	4.263565891472870
2000-02-01	4.408039182570510
2000-03-01	4.432833305241870
2000-04-01	4.518926129731530
2000-05-01	4.243328360682910
2000-06-01	4.106640172213940
2000-07-01	4.035874439461880
2000-08-01	4.029850746268660
2000-09-01	4.131548504379440
2000-10-01	4.059405940594060
2000-11-01	3.980181668042940
2000-12-01	3.889816360601000
2001-01-01	4.239986592927770
2001-02-01	4.269211451531890
2001-03-01	4.392117568470270
2001-04-01	4.528804528804530
2001-05-01	4.432682765464770
2001-06-01	4.380165289256200
2001-07-01	4.325488896254560
2001-08-01	4.360079575596820
2001-09-01	4.618440655520610
2001-10-01	4.680780681442280
2001-11-01	4.764259808770200
2001-12-01	4.669001167250290
2002-01-01	4.698551700909400
2002-02-01	4.775517067428960
2002-03-01	4.931461049816120
2002-04-01	4.935586414589260
2002-05-01	4.994173464291660
2002-06-01	4.896265560165980
2002-07-01	4.692179700499170
2002-08-01	4.779350541215650
2002-09-01	4.964303503237590
2002-10-01	5.004971826317530
2002-11-01	4.687500000000000
2002-12-01	4.650772330423100
2003-01-01	4.987320371935760
2003-02-01	4.794172454684060
2003-03-01	4.948177866934140
2003-04-01	5.024202971123350
2003-05-01	4.922108054358630
2003-06-01	4.737621319295940
2003-07-01	4.601125455147300
2003-08-01	4.407117911192420
2003-09-01	4.700996677740860
2003-10-01	4.695536751285880
2003-11-01	4.550758459743290
2003-12-01	4.147078576225660
2004-01-01	4.454944313196080
2004-02-01	4.535491485415610
2004-03-01	4.317991631799160
2004-04-01	4.366594720239080
2004-05-01	4.188741721854300
2004-06-01	4.130038148946760
2004-07-01	4.246143639077790
2004-08-01	4.137018037398640
2004-09-01	4.114816658370660
2004-10-01	4.220671319375210
2004-11-01	3.979933110367890
2004-12-01	3.748529164565470
2005-01-01	4.176450855417640
2005-02-01	4.290040376850600
2005-03-01	4.182764992440790
2005-04-01	4.043934098851720
2005-05-01	4.060496465559760
2005-06-01	3.788881535407020
2005-07-01	3.884939659447840
2005-08-01	3.792646571712490
2005-09-01	3.817045080618620
2005-10-01	4.100790513833990
2005-11-01	4.029975020815990
2005-12-01	3.643996641477750
2006-01-01	4.108670132483650
2006-02-01	3.858413017950010
2006-03-01	3.824315297261190
2006-04-01	3.758523199733910
2006-05-01	3.681183237469190
2006-06-01	3.657331136738060
2006-07-01	3.599735799207400
2006-08-01	3.653118314958040
2006-09-01	3.722531977697610
2006-10-01	3.770491803278690
2006-11-01	3.642656996868300
2006-12-01	3.455723542116630
2007-01-01	3.609625668449200
2007-02-01	3.648175912043980
2007-03-01	3.757034094670640
2007-04-01	3.604344963791970
2007-05-01	3.442088091354000
2007-06-01	3.191489361702130
2007-07-01	3.183981618250450
2007-08-01	3.291305059767480
2007-09-01	3.539242995248240
2007-10-01	3.664321936855880
2007-11-01	3.342618384401110
2007-12-01	3.148697659083420
2008-01-01	3.591525984773250
2008-02-01	3.737541528239200
2008-03-01	3.687779063998680
2008-04-01	3.739544038051500
2008-05-01	3.665092034533310
2008-06-01	3.638440202316850
2008-07-01	3.490086842536460
2008-08-01	3.688524590163930
2008-09-01	3.639344262295080
2008-10-01	3.560295324036100
2008-11-01	3.545051698670610
2008-12-01	3.860749051311660
2009-01-01	3.915413844374690
2009-02-01	4.147389292795770
2009-03-01	4.503464203233260
2009-04-01	4.736152081284820
2009-05-01	4.789929704103320
2009-06-01	4.876046626169760
2009-07-01	4.962208347025960
2009-08-01	5.031857539617710
2009-09-01	5.023650301745230
2009-10-01	4.803278688524590
2009-11-01	4.691358024691360
2009-12-01	4.504056963073360
2010-01-01	4.609284652238560
2010-02-01	4.591413890270180
2010-03-01	4.717914879577700
2010-04-01	4.945954798558790
2010-05-01	4.722993953260340
2010-06-01	4.640104935235280
2010-07-01	4.625225520747910
2010-08-01	4.747094450810280
2010-09-01	4.749512036434610
2010-10-01	4.653821032005220
2010-11-01	4.460171165240290
2010-12-01	4.286660046342270
2011-01-01	4.468997361477570
2011-02-01	4.336356141797200
2011-03-01	4.429752066115700
2011-04-01	4.538727183029110
2011-05-01	4.398490070572790
2011-06-01	4.442250740375120
2011-07-01	4.430901004776810
2011-08-01	4.140547674034970
2011-09-01	3.943476832073610
2011-10-01	4.087998686586770
2011-11-01	3.934156378600820
2011-12-01	3.892017224246440
2012-01-01	4.148689014271490
2012-02-01	4.060997845184820
2012-03-01	4.205994369928800
2012-04-01	4.308352591614390
2012-05-01	4.148831083305890
2012-06-01	4.084994234887170
2012-07-01	4.024511427625040
2012-08-01	3.893951946975970
2012-09-01	3.934804082976620
2012-10-01	3.813907611375970
2012-11-01	3.744638733091390
2012-12-01	3.794308537194210
2013-01-01	3.983402489626560
2013-02-01	4.054948692485930
2013-03-01	3.953026794574930
2013-04-01	3.972964061984830
2013-05-01	3.925110855641320
2013-06-01	3.718940266578900
2013-07-01	3.681690605910520
2013-08-01	3.860112174199930
2013-09-01	3.647963356780630
2013-10-01	3.750203815424750
2013-11-01	3.530565544295520
2013-12-01	3.270024772914950
2014-01-01	3.447704293054860
2014-02-01	3.378042722305020
2014-03-01	3.386190948133470
2014-04-01	3.570253372820010
2014-05-01	3.366013071895420
2014-06-01	3.384011770475720
2014-07-01	3.495241220872990
2014-08-01	3.319093000328620
2014-09-01	3.329525053043900
2014-10-01	3.340394329476940
2014-11-01	3.080452236604950
2014-12-01	2.980405071628520
2015-01-01	3.260332619792520
2015-02-01	3.234811165845650
2015-03-01	3.239066096678720
2015-04-01	3.330036267721730
2015-05-01	3.157722513089000
2015-06-01	3.159094609998370
2015-07-01	3.159273203470290
2015-08-01	3.207331042382590
2015-09-01	3.211157963023030
2015-10-01	2.947402703142810
2015-11-01	3.037766830870280
2015-12-01	2.970134558582210
2016-01-01	3.037726604605580
2016-02-01	3.041762578099310
2016-03-01	2.967848309975270
2016-04-01	3.169129720853860
2016-05-01	3.047588005215120
2016-06-01	2.934500648508430
2016-07-01	2.889610389610390
2016-08-01	2.974158946855190
2016-09-01	2.865004855940430
2016-10-01	2.743061191365040
2016-11-01	2.865516118528170
2016-12-01	2.766927083333330
2017-01-01	2.835261528434090
2017-02-01	2.734119187950230
2017-03-01	2.633731392115160
2017-04-01	2.705345501955670
2017-05-01	2.891293813600390
2017-06-01	2.660003224246330
2017-07-01	2.651576394502830
2017-08-01	2.626490493071220
2017-09-01	2.614693615656080
2017-10-01	2.541009971051780
2017-11-01	2.548387096774190
2017-12-01	2.462734931950750
2018-01-01	2.284880894506560
2018-02-01	2.323330106485960
2018-03-01	2.372935706269040
2018-04-01	2.490023942537910
2018-05-01	2.173565606520700
2018-06-01	2.306213965406790
2018-07-01	2.392421323057160
2018-08-01	2.333759590792840
2018-09-01	2.254684026675140