Month	Percent
1968-01-01	1.323155216284990
1968-02-01	1.324503311258280
1968-03-01	1.218892839004570
1968-04-01	0.960566228513650
1968-05-01	0.806858295511851
1968-06-01	0.853842290306379
1968-07-01	1.002004008016030
1968-08-01	0.849150849150849
1968-09-01	0.944803580308304
1968-10-01	0.842835894893406
1968-11-01	0.844930417495030
1968-12-01	0.848303393213573
1969-01-01	1.049475262368820
1969-02-01	1.198202695956070
1969-03-01	0.994530084535057
1969-04-01	0.790513833992095
1969-05-01	0.886699507389163
1969-06-01	0.932744231713304
1969-07-01	0.932286555446516
1969-08-01	0.981354268891070
1969-09-01	0.733496332518338
1969-10-01	0.636630754162586
1969-11-01	0.686947988223749
1969-12-01	0.686274509803922
1970-01-01	1.028403525954950
1970-02-01	1.127450980392160
1970-03-01	1.023391812865500
1970-04-01	0.970402717127608
1970-05-01	0.777831793874574
1970-06-01	0.777076250607091
1970-07-01	0.924574209245742
1970-08-01	0.921882581271228
1970-09-01	0.774443368828654
1970-10-01	0.869985500241663
1970-11-01	0.867469879518072
1970-12-01	0.772573635924674
1971-01-01	1.258470474346560
1971-02-01	1.211827435773150
1971-03-01	1.012048192771080
1971-04-01	0.816130580892943
1971-05-01	0.721847930702599
1971-06-01	0.769600769600770
1971-07-01	0.768491834774256
1971-08-01	0.768491834774256
1971-09-01	0.669856459330144
1971-10-01	0.856734888148501
1971-11-01	0.854295206454675
1971-12-01	0.997624703087886
1972-01-01	1.516587677725120
1972-02-01	1.410437235543020
1972-03-01	1.079812206572770
1972-04-01	0.886194029850746
1972-05-01	1.022304832713750
1972-06-01	1.019935095039410
1972-07-01	1.008711600183400
1972-08-01	0.958904109589041
1972-09-01	0.955414012738854
1972-10-01	0.905797101449275
1972-11-01	0.954545454545454
1972-12-01	1.136363636363640
1973-01-01	1.219512195121950
1973-02-01	1.125112511251130
1973-03-01	1.166965888689410
1973-04-01	1.072865444792130
1973-05-01	1.065246338215710
1973-06-01	0.975177304964539
1973-07-01	0.927152317880795
1973-08-01	0.794701986754967
1973-09-01	0.925110132158590
1973-10-01	0.745614035087719
1973-11-01	0.961538461538462
1973-12-01	1.007005253940460
1974-01-01	1.180069930069930
1974-02-01	1.350762527233120
1974-03-01	1.253782965845220
1974-04-01	0.991806813281587
1974-05-01	0.902837489251935
1974-06-01	0.813704496788009
1974-07-01	0.900514579759863
1974-08-01	1.110636480136690
1974-09-01	1.066098081023450
1974-10-01	1.063829787234040
1974-11-01	0.974989402289106
1974-12-01	1.315789473684210
1975-01-01	1.657458563535910
1975-02-01	1.905972045743330
1975-03-01	1.732150401351920
1975-04-01	1.476170392239560
1975-05-01	1.216442953020130
1975-06-01	1.212881639481390
1975-07-01	1.379598662207360
1975-08-01	1.583993330554400
1975-09-01	1.535269709543570
1975-10-01	1.615575807787900
1975-11-01	1.570247933884300
1975-12-01	1.771734651833540
1976-01-01	2.315963606286190
1976-02-01	2.106567534076830
1976-03-01	2.018953440461480
1976-04-01	1.685855263157890
1976-05-01	1.595092024539880
1976-06-01	1.632653061224490
1976-07-01	1.471189211279120
1976-08-01	1.549755301794450
1976-09-01	1.506514657980460
1976-10-01	1.703163017031630
1976-11-01	1.620745542949760
1976-12-01	1.456310679611650
1977-01-01	1.826298701298700
1977-02-01	1.907467532467530
1977-03-01	1.860088960776380
1977-04-01	1.532876159741830
1977-05-01	1.527331189710610
1977-06-01	1.528559935639580
1977-07-01	1.447527141133900
1977-08-01	1.487138263665590
1977-09-01	1.523046092184370
1977-10-01	1.398880895283770
1977-11-01	1.437125748502990
1977-12-01	1.678657074340530
1978-01-01	1.968662113298510
1978-02-01	2.162595114136960
1978-03-01	2.002402883460150
1978-04-01	1.718625099920060
1978-05-01	1.709062003179650
1978-06-01	1.707704527402700
1978-07-01	1.708382995629720
1978-08-01	1.866560762509930
1978-09-01	1.827572506952720
1978-10-01	1.865079365079360
1978-11-01	1.820340324495450
1978-12-01	1.824672748909160
1979-01-01	1.868044515103340
1979-02-01	1.866560762509930
1979-03-01	1.822503961965130
1979-04-01	1.660079051383400
1979-05-01	1.420678768745070
1979-06-01	1.415094339622640
1979-07-01	1.490780698313060
1979-08-01	1.610369206598590
1979-09-01	1.494885916601100
1979-10-01	1.454974439638220
1979-11-01	1.529411764705880
1979-12-01	1.571709233791750
1980-01-01	1.614808979913350
1980-02-01	1.540284360189570
1980-03-01	1.461295418641390
1980-04-01	1.374705420267090
1980-05-01	1.452119309262170
1980-06-01	1.369327073552430
1980-07-01	1.486697965571200
1980-08-01	1.450980392156860
1980-09-01	1.370399373531720
1980-10-01	1.597817614964930
1980-11-01	1.718078875439280
1980-12-01	1.607212857702860
1981-01-01	1.683633516053250
1981-02-01	1.681658193195150
1981-03-01	1.678376268540200
1981-04-01	1.835937500000000
1981-05-01	1.796875000000000
1981-06-01	1.599063962558500
1981-07-01	1.600937133932060
1981-08-01	1.524628616106330
1981-09-01	1.566170712607670
1981-10-01	1.720766523269460
1981-11-01	1.643835616438360
1981-12-01	1.845308205732230
1982-01-01	1.999215993727950
1982-02-01	1.838091513492370
1982-03-01	1.873536299765810
1982-04-01	1.750972762645910
1982-05-01	1.556420233463040
1982-06-01	1.750972762645910
1982-07-01	1.716738197424890
1982-08-01	1.636788776305530
1982-09-01	1.755070202808110
1982-10-01	1.794071762870510
1982-11-01	1.673803036200860
1982-12-01	1.869887027658750
1983-01-01	2.221356196414650
1983-02-01	2.341006632852130
1983-03-01	2.266510355607660
1983-04-01	2.106905969566910
1983-05-01	1.908099688473520
1983-06-01	1.905132192846030
1983-07-01	1.750291715285880
1983-08-01	1.940993788819880
1983-09-01	2.019417475728160
1983-10-01	1.870615744349180
1983-11-01	1.869158878504670
1983-12-01	1.874267864115580
1984-01-01	1.994524833789600
1984-02-01	2.111024237685690
1984-03-01	2.072741493938210
1984-04-01	1.955416503715290
1984-05-01	1.950078003120120
1984-06-01	1.905132192846030
1984-07-01	1.830931047915860
1984-08-01	1.827371695178850
1984-09-01	1.866977829638270
1984-10-01	1.944768572539870
1984-11-01	1.788491446345260
1984-12-01	1.835220616946510
1985-01-01	1.950078003120120
1985-02-01	2.076802507836990
1985-03-01	2.115987460815050
1985-04-01	1.836654943337240
1985-05-01	1.754385964912280
1985-06-01	1.793372319688110
1985-07-01	1.679031628270210
1985-08-01	1.642549863120840
1985-09-01	1.833073322932920
1985-10-01	1.874267864115580
1985-11-01	1.914062500000000
1985-12-01	1.957713390759590
1986-01-01	2.073552425665100
1986-02-01	1.962323390894820
1986-03-01	2.115158636897770
1986-04-01	2.072741493938210
1986-05-01	1.923076923076920
1986-06-01	1.920815366522930
1986-07-01	1.951600312256050
1986-08-01	1.829505644219540
1986-09-01	1.829505644219540
1986-10-01	1.795472287275570
1986-11-01	1.921568627450980
1986-12-01	2.002355712603060
1987-01-01	2.198665096191600
1987-02-01	2.158555729984300
1987-03-01	2.113502935420740
1987-04-01	2.190923317683880
1987-05-01	2.314633189486070
1987-06-01	2.158555729984300
1987-07-01	1.873536299765810
1987-08-01	1.869887027658750
1987-09-01	1.873536299765810
1987-10-01	1.873536299765810
1987-11-01	1.920062695924760
1987-12-01	1.881615052920420
1988-01-01	1.996086105675150
1988-02-01	2.155172413793100
1988-03-01	2.081696779261590
1988-04-01	1.762632197414810
1988-05-01	1.683633516053250
1988-06-01	1.603441533046540
1988-07-01	1.714731098986750
1988-08-01	1.598440545808970
1988-09-01	1.563110590074250
1988-10-01	1.560671088568080
1988-11-01	1.442495126705650
1988-12-01	1.331245105716520
1989-01-01	1.568627450980390
1989-02-01	1.564945226917060
1989-03-01	1.564945226917060
1989-04-01	1.681000781860830
1989-05-01	1.636788776305530
1989-06-01	1.478599221789880
1989-07-01	1.398058252427180
1989-08-01	1.478024115130300
1989-09-01	1.556420233463040
1989-10-01	1.481481481481480
1989-11-01	1.404603979711280
1989-12-01	1.327088212334110
1990-01-01	1.523437500000000
1990-02-01	1.445877295818680
1990-03-01	1.483216237314600
1990-04-01	1.484375000000000
1990-05-01	1.398058252427180
1990-06-01	1.361338000777910
1990-07-01	1.281553398058250
1990-08-01	1.286048324240060
1990-09-01	1.435778036476520
1990-10-01	1.431334622823980
1990-11-01	1.242718446601940
1990-12-01	1.323987538940810
1991-01-01	1.444184231069480
1991-02-01	1.404603979711280
1991-03-01	1.516329704510110
1991-04-01	1.476875242907110
1991-05-01	1.400233372228700
1991-06-01	1.208576998050680
1991-07-01	1.287553648068670
1991-08-01	1.327606403748540
1991-09-01	1.361338000777910
1991-10-01	1.320388349514560
1991-11-01	1.244651886425520
1991-12-01	1.325019485580670
1992-01-01	1.558846453624320
1992-02-01	1.515740380878350
1992-03-01	1.285046728971960
1992-04-01	1.325019485580670
1992-05-01	1.478024115130300
1992-06-01	1.478599221789880
1992-07-01	1.360279828993390
1992-08-01	1.479174776177500
1992-09-01	1.401869158878500
1992-10-01	1.666020922123210
1992-11-01	1.511627906976740
1992-12-01	1.436335403726710
1993-01-01	1.632970451010890
1993-02-01	1.750972762645910
1993-03-01	1.596573208722740
1993-04-01	1.591614906832300
1993-05-01	1.663442940038680
1993-06-01	1.626646010844310
1993-07-01	1.629802095459840
1993-08-01	1.744186046511630
1993-09-01	1.734772552043180
1993-10-01	1.888974556669240
1993-11-01	1.775376302585870
1993-12-01	1.893353941267390
1994-01-01	2.051877661633760
1994-02-01	2.092212320805890
1994-03-01	2.130956993413410
1994-04-01	1.982122036533230
1994-05-01	2.004626060138780
1994-06-01	1.929012345679010
1994-07-01	1.931247585940520
1994-08-01	2.120277563608330
1994-09-01	2.114571318723570
1994-10-01	2.153846153846150
1994-11-01	1.892622634221710
1994-12-01	2.003853564547210
1995-01-01	2.170542635658910
1995-02-01	2.247191011235960
1995-03-01	2.313922097956040
1995-04-01	2.205029013539650
1995-05-01	2.274479568234390
1995-06-01	2.151363810987320
1995-07-01	2.186421173762950
1995-08-01	2.338957055214720
1995-09-01	2.297090352220520
1995-10-01	2.260536398467430
1995-11-01	2.457757296466970
1995-12-01	2.534562211981570
1996-01-01	2.506748939452370
1996-02-01	2.357032457496140
1996-03-01	2.424009234320890
1996-04-01	2.386451116243260
1996-05-01	2.683020314296670
1996-06-01	2.487562189054730
1996-07-01	2.330913259457390
1996-08-01	2.444614209320090
1996-09-01	2.411021814006890
1996-10-01	2.526799387442570
1996-11-01	2.492331288343560
1996-12-01	2.379125095932460
1997-01-01	2.333588370313700
1997-02-01	2.525832376578650
1997-03-01	2.482811306340720
1997-04-01	2.367315769377630
1997-05-01	2.516202821197100
1997-06-01	2.438095238095240
1997-07-01	2.515243902439020
1997-08-01	2.672775868652160
1997-09-01	2.748091603053440
1997-10-01	2.632582983594050
1997-11-01	2.559205500381970
1997-12-01	2.446483180428130
1998-01-01	2.674818494459300
1998-02-01	2.677888293802600
1998-03-01	2.860411899313500
1998-04-01	2.983932670237180
1998-05-01	3.356216628527840
1998-06-01	3.117870722433460
1998-07-01	2.932216298552930
1998-08-01	3.318077803203660
1998-09-01	3.466666666666670
1998-10-01	3.354937094929470
1998-11-01	3.393061380099120
1998-12-01	3.400840657241120
1999-01-01	3.589156166475750
1999-02-01	3.557765876052030
1999-03-01	3.832886163280950
1999-04-01	3.944848716966680
1999-05-01	4.009163802978240
1999-06-01	3.931297709923660
1999-07-01	3.623188405797100
1999-08-01	3.617669459253620
1999-09-01	3.457446808510640
1999-10-01	3.568716780561880
1999-11-01	3.492786636294610
1999-12-01	3.685410334346500
2000-01-01	3.919330289193300
2000-02-01	4.031951312286040
2000-03-01	4.149219642177390
2000-04-01	3.961904761904760
2000-05-01	3.723404255319150
2000-06-01	3.716344330678800
2000-07-01	3.759969616407140
2000-08-01	3.678422449753510
2000-09-01	3.849056603773580
2000-10-01	3.773584905660380
2000-11-01	3.730218538055760
2000-12-01	3.807010931021480
2001-01-01	3.821415058645480
2001-02-01	3.865100416824560
2001-03-01	4.160363086232980
2001-04-01	4.231205137891950
2001-05-01	3.990963855421690
2001-06-01	4.260935143288080
2001-07-01	4.218455743879470
2001-08-01	4.099285445656260
2001-09-01	4.259329061439880
2001-10-01	4.559155990957050
2001-11-01	4.749340369393140
2001-12-01	4.691638289822170
2002-01-01	4.457142857142860
2002-02-01	4.543718976708670
2002-03-01	4.658266513936620
2002-04-01	4.597701149425290
2002-05-01	4.632465543644720
2002-06-01	4.614797864225780
2002-07-01	4.652936689549960
2002-08-01	4.774637127578300
2002-09-01	5.057471264367820
2002-10-01	5.013394565633370
2002-11-01	4.486196319018400
2002-12-01	4.582210242587600
2003-01-01	4.524361948955920
2003-02-01	4.496124031007750
2003-03-01	4.909161190568220
2003-04-01	4.854368932038830
2003-05-01	4.656577415599540
2003-06-01	4.828118964851290
2003-07-01	4.452187379016650
2003-08-01	4.266873545384020
2003-09-01	4.736024844720500
2003-10-01	4.577191621411950
2003-11-01	4.462553356616220
2003-12-01	4.129333852746400
2004-01-01	4.453125000000000
2004-02-01	4.661182922052490
2004-03-01	4.414662987780840
2004-04-01	4.325599685410930
2004-05-01	4.235294117647060
2004-06-01	4.366640440597950
2004-07-01	4.579549940781680
2004-08-01	4.067930489731440
2004-09-01	4.186413902053710
2004-10-01	4.311708860759490
2004-11-01	4.074367088607590
2004-12-01	4.012713547874450
2005-01-01	4.174950298210740
2005-02-01	4.420549581839900
2005-03-01	4.353035143769970
2005-04-01	4.120000000000000
2005-05-01	3.905938620964530
2005-06-01	3.867623604465710
2005-07-01	3.956834532374100
2005-08-01	3.921568627450980
2005-09-01	3.755493407910510
2005-10-01	3.987240829346090
2005-11-01	3.964757709251100
2005-12-01	3.819863289103340
2006-01-01	4.216867469879520
2006-02-01	4.143201930812550
2006-03-01	3.961584633853540
2006-04-01	3.618817852834740
2006-05-01	3.654618473895580
2006-06-01	3.648757016840420
2006-07-01	3.779654201849620
2006-08-01	3.791851553045580
2006-09-01	3.861625100563150
2006-10-01	3.935742971887550
2006-11-01	3.979099678456590
2006-12-01	3.790322580645160
2007-01-01	3.771289537712900
2007-02-01	3.697683868346200
2007-03-01	3.804127883448000
2007-04-01	3.604698258404210
2007-05-01	3.363047001620750
2007-06-01	3.358963982193440
2007-07-01	3.487429034874290
2007-08-01	3.329273244011370
2007-09-01	3.723188992310810
2007-10-01	3.927125506072870
2007-11-01	3.532277710109620
2007-12-01	3.246753246753250
2008-01-01	3.771289537712900
2008-02-01	4.026026840178930
2008-03-01	3.590371277029780
2008-04-01	3.508771929824560
2008-05-01	3.657049979683060
2008-06-01	3.661513425549230
2008-07-01	3.597710547833200
2008-08-01	3.706720977596740
2008-09-01	3.622303622303620
2008-10-01	3.869653767820770
2008-11-01	3.714285714285710
2008-12-01	4.083299305839120
2009-01-01	4.209235798937470
2009-02-01	4.545454545454550
2009-03-01	4.619787408013080
2009-04-01	4.907975460122700
2009-05-01	5.108295872496940
2009-06-01	5.157593123209170
2009-07-01	5.400981996726680
2009-08-01	5.157593123209170
2009-09-01	5.028618152085040
2009-10-01	5.065359477124180
2009-11-01	4.832104832104830
2009-12-01	4.642563681183240
2010-01-01	4.720853858784890
2010-02-01	4.967159277504100
2010-03-01	5.118755118755120
2010-04-01	5.040983606557380
2010-05-01	4.834084391642770
2010-06-01	4.883052933935170
2010-07-01	4.838048380483800
2010-08-01	4.836065573770490
2010-09-01	5.129257283545340
2010-10-01	4.924086992203530
2010-11-01	4.799015586546350
2010-12-01	4.687500000000000
2011-01-01	4.918032786885250
2011-02-01	4.634946677604590
2011-03-01	4.577319587628870
2011-04-01	4.618556701030930
2011-05-01	4.487443392342530
2011-06-01	4.738360115368770
2011-07-01	4.752066115702480
2011-08-01	4.104477611940300
2011-09-01	4.228855721393030
2011-10-01	4.419661296984720
2011-11-01	4.344228382292100
2011-12-01	4.344228382292100
2012-01-01	4.216618437370810
2012-02-01	4.158004158004160
2012-03-01	4.403822185292900
2012-04-01	4.483188044831880
2012-05-01	4.206580591420240
2012-06-01	4.432477216238610
2012-07-01	4.488778054862840
2012-08-01	4.280964256026600
2012-09-01	4.360465116279070
2012-10-01	4.158004158004160
2012-11-01	4.036620890553470
2012-12-01	3.889585947302380
2013-01-01	4.369538077403250
2013-02-01	4.648241206030150
2013-03-01	4.650188521156260
2013-04-01	4.298831385642740
2013-05-01	4.086738949124270
2013-06-01	3.868552412645590
2013-07-01	4.050104384133610
2013-08-01	4.138795986622070
2013-09-01	3.958333333333330
2013-10-01	4.126719466444350
2013-11-01	3.881469115191990
2013-12-01	3.638644918444170
2014-01-01	3.773584905660380
2014-02-01	3.700588730025230
2014-03-01	3.607382550335570
2014-04-01	3.598326359832640
2014-05-01	3.425229741019220
2014-06-01	3.483004616030210
2014-07-01	3.627161535217210
2014-08-01	3.456998313659360
2014-09-01	3.610411418975650
2014-10-01	3.736356003358520
2014-11-01	3.502109704641350
2014-12-01	3.205398566005900
2015-01-01	3.748946925021060
2015-02-01	3.544303797468350
2015-03-01	3.581963758954910
2015-04-01	3.250316589278180
2015-05-01	3.338968723584110
2015-06-01	3.426395939086290
2015-07-01	3.560830860534120
2015-08-01	3.351718285956720
2015-09-01	3.535353535353540
2015-10-01	3.336148648648650
2015-11-01	3.433658329800760
2015-12-01	3.456998313659360
2016-01-01	3.458456347532690
2016-02-01	3.346039813638290
2016-03-01	3.182011030971570
2016-04-01	3.231292517006800
2016-05-01	3.184713375796180
2016-06-01	3.109028960817720
2016-07-01	3.022562792677740
2016-08-01	3.264094955489610
2016-09-01	3.093220338983050
2016-10-01	3.016142735768900
2016-11-01	3.188775510204080
2016-12-01	3.310696095076400
2017-01-01	3.107705406555980
2017-02-01	3.109028960817720
2017-03-01	2.902262057191630
2017-04-01	2.870608397600690
2017-05-01	3.031596925704530
2017-06-01	2.656383890317050
2017-07-01	3.119658119658120
2017-08-01	2.990175138829560
2017-09-01	2.815699658703070
2017-10-01	2.640545144804090
2017-11-01	2.819307988039300
2017-12-01	2.787307032590050
2018-01-01	2.620274914089350
2018-02-01	2.527849185946870
2018-03-01	2.699228791773780
2018-04-01	2.752688172043010
2018-05-01	2.279569892473120
2018-06-01	2.492479587451650
2018-07-01	2.710843373493980
2018-08-01	2.493551160791060
2018-09-01	2.362542955326460