Month	Percent
1968-01-01	1.445683601817430
1968-02-01	1.367592208868630
1968-03-01	1.272055806319240
1968-04-01	1.056051990251830
1968-05-01	0.890327802509106
1968-06-01	0.925925925925926
1968-07-01	1.089148850342880
1968-08-01	0.967351874244256
1968-09-01	1.039168665067950
1968-10-01	0.876144962166468
1968-11-01	0.880000000000000
1968-12-01	0.968523002421308
1969-01-01	1.214574898785420
1969-02-01	1.297122010539120
1969-03-01	1.166063530357860
1969-04-01	0.993640699523052
1969-05-01	0.986193293885602
1969-06-01	0.984639621898385
1969-07-01	0.949742777997626
1969-08-01	0.948616600790514
1969-09-01	0.863083562181248
1969-10-01	0.707825403067244
1969-11-01	0.713153724247227
1969-12-01	0.870942201108472
1970-01-01	1.071003570011900
1970-02-01	1.196172248803830
1970-03-01	1.145792177005140
1970-04-01	1.095461658841940
1970-05-01	0.940807526460212
1970-06-01	0.899139953088350
1970-07-01	1.016021883548260
1970-08-01	1.016419077404220
1970-09-01	1.013645224171540
1970-10-01	1.128843908135460
1970-11-01	1.015625000000000
1970-12-01	0.904443570585922
1971-01-01	1.338582677165350
1971-02-01	1.300236406619390
1971-03-01	1.169590643274850
1971-04-01	1.007361487795430
1971-05-01	0.890782339271882
1971-06-01	0.927715500579822
1971-07-01	0.965250965250965
1971-08-01	0.889748549323017
1971-09-01	0.925212027756361
1971-10-01	1.001926782273600
1971-11-01	1.075268817204300
1971-12-01	1.270696958028490
1972-01-01	1.738794435857810
1972-02-01	1.650671785028790
1972-03-01	1.448722836446820
1972-04-01	1.245283018867920
1972-05-01	1.127395715896280
1972-06-01	1.048689138576780
1972-07-01	1.150705270972530
1972-08-01	1.076865948756030
1972-09-01	1.148999258710160
1972-10-01	0.999259807549963
1972-11-01	1.113585746102450
1972-12-01	1.190919240788980
1973-01-01	1.333827343460540
1973-02-01	1.438053097345130
1973-03-01	1.319164529131550
1973-04-01	1.202623906705540
1973-05-01	1.194353963083600
1973-06-01	1.156487170220460
1973-07-01	1.081470800288390
1973-08-01	0.971572508096438
1973-09-01	1.040545389307500
1973-10-01	0.819380121125757
1973-11-01	0.963253656796290
1973-12-01	1.043916486681070
1974-01-01	1.331414177761780
1974-02-01	1.508620689655170
1974-03-01	1.457518663348740
1974-04-01	1.132342533616420
1974-05-01	1.127554615926710
1974-06-01	1.052631578947370
1974-07-01	0.984875131902919
1974-08-01	1.225919439579680
1974-09-01	1.189227002448410
1974-10-01	1.220362622036260
1974-11-01	1.220788280432510
1974-12-01	1.505075253762690
1975-01-01	1.828410689170180
1975-02-01	2.067998597967050
1975-03-01	1.984679665738160
1975-04-01	1.733703190013870
1975-05-01	1.515151515151520
1975-06-01	1.612903225806450
1975-07-01	1.578044596912520
1975-08-01	1.712915381980130
1975-09-01	1.808873720136520
1975-10-01	1.841746248294680
1975-11-01	1.837359646138140
1975-12-01	2.074829931972790
1976-01-01	2.606310013717420
1976-02-01	2.429011289770780
1976-03-01	2.282016348773840
1976-04-01	2.102407595795180
1976-05-01	1.983860121049090
1976-06-01	1.884253028263800
1976-07-01	1.885521885521890
1976-08-01	1.782711066263030
1976-09-01	1.749663526244950
1976-10-01	1.838849882982280
1976-11-01	1.805416248746240
1976-12-01	1.716016150740240
1977-01-01	2.229729729729730
1977-02-01	2.329507089804190
1977-03-01	2.150537634408600
1977-04-01	1.836393989983310
1977-05-01	1.824817518248180
1977-06-01	1.855533465871440
1977-07-01	1.789857474312230
1977-08-01	1.722995361166340
1977-09-01	1.757877280265340
1977-10-01	1.620906384386370
1977-11-01	1.716738197424890
1977-12-01	1.958181214736140
1978-01-01	2.309236947791160
1978-02-01	2.430093209054590
1978-03-01	2.256886823763690
1978-04-01	2.051621442753140
1978-05-01	2.094926350245500
1978-06-01	2.058823529411760
1978-07-01	1.965280052407470
1978-08-01	2.094926350245500
1978-09-01	2.094240837696340
1978-10-01	2.063544055027840
1978-11-01	2.183833116036510
1978-12-01	2.197441784191540
1979-01-01	2.276476410425600
1979-02-01	2.143092647543690
1979-03-01	2.129750982961990
1979-04-01	2.018229166666670
1979-05-01	1.814646791963710
1979-06-01	1.806451612903230
1979-07-01	1.805286911669890
1979-08-01	1.839303000968050
1979-09-01	1.810539928871650
1979-10-01	1.844660194174760
1979-11-01	1.934235976789170
1979-12-01	1.974749109744250
1980-01-01	1.992161985630310
1980-02-01	1.949951251218720
1980-03-01	1.906916612798970
1980-04-01	1.669877970456010
1980-05-01	1.701444622792940
1980-06-01	1.630956188039650
1980-07-01	1.758312020460360
1980-08-01	1.731324142353320
1980-09-01	1.662404092071610
1980-10-01	1.815864925135390
1980-11-01	2.074026802807910
1980-12-01	2.055894635399940
1981-01-01	2.185089974293060
1981-02-01	2.174608250719540
1981-03-01	2.131043256997460
1981-04-01	2.222222222222220
1981-05-01	2.094573151380510
1981-06-01	1.899936668777710
1981-07-01	1.904761904761900
1981-08-01	1.840685496667720
1981-09-01	1.930990819879710
1981-10-01	2.089930335655480
1981-11-01	1.974522292993630
1981-12-01	2.113352545629200
1982-01-01	2.341995508501760
1982-02-01	2.264752791068580
1982-03-01	2.156676181414530
1982-04-01	2.177343010413380
1982-05-01	2.012578616352200
1982-06-01	2.199183160540370
1982-07-01	2.112232030264820
1982-08-01	1.984251968503940
1982-09-01	2.077431539187910
1982-10-01	2.200565859792520
1982-11-01	2.173228346456690
1982-12-01	2.307206068268020
1983-01-01	2.683928007578150
1983-02-01	2.747946936197090
1983-03-01	2.681388012618300
1983-04-01	2.507836990595610
1983-05-01	2.307452447770500
1983-06-01	2.237414543194530
1983-07-01	2.150872817955110
1983-08-01	2.431421446384040
1983-09-01	2.429906542056070
1983-10-01	2.276270657935770
1983-11-01	2.372775522947240
1983-12-01	2.357749135491980
1984-01-01	2.525252525252520
1984-02-01	2.672955974842770
1984-03-01	2.566510172143980
1984-04-01	2.524937655860350
1984-05-01	2.392047219633430
1984-06-01	2.386117136659440
1984-07-01	2.269900497512440
1984-08-01	2.265673494723770
1984-09-01	2.444306930693070
1984-10-01	2.388337468982630
1984-11-01	2.293151533932440
1984-12-01	2.314670003127930
1985-01-01	2.376485303314570
1985-02-01	2.596996245306630
1985-03-01	2.586475537550640
1985-04-01	2.352212937171150
1985-05-01	2.191358024691360
1985-06-01	2.225656877897990
1985-07-01	2.103309619548410
1985-08-01	2.076875387476750
1985-09-01	2.282541640962370
1985-10-01	2.343509096515570
1985-11-01	2.474481905351070
1985-12-01	2.521793275217930
1986-01-01	2.613565650280020
1986-02-01	2.528089887640450
1986-03-01	2.577639751552800
1986-04-01	2.495378927911280
1986-05-01	2.276923076923080
1986-06-01	2.342786683107280
1986-07-01	2.393372200061370
1986-08-01	2.324869990822880
1986-09-01	2.386050780055060
1986-10-01	2.388973966309340
1986-11-01	2.431517389966140
1986-12-01	2.530864197530860
1987-01-01	2.720247295208660
1987-02-01	2.757125154894670
1987-03-01	2.711028958718420
1987-04-01	2.667075413856530
1987-05-01	2.720048899755500
1987-06-01	2.620353443022550
1987-07-01	2.347560975609760
1987-08-01	2.495435179549600
1987-09-01	2.493917274939170
1987-10-01	2.339003645200490
1987-11-01	2.378774016468440
1987-12-01	2.297090352220520
1988-01-01	2.513024823781800
1988-02-01	2.600979192166460
1988-03-01	2.443494196701280
1988-04-01	2.218844984802430
1988-05-01	2.057488653555220
1988-06-01	1.966122202056870
1988-07-01	2.109068996685750
1988-08-01	2.109068996685750
1988-09-01	1.995766555790750
1988-10-01	1.993355481727570
1988-11-01	1.961375980687990
1988-12-01	1.910248635536690
1989-01-01	2.074435631482610
1989-02-01	2.038332826285370
1989-03-01	1.938219261053910
1989-04-01	2.048809882494730
1989-05-01	2.065868263473050
1989-06-01	1.825800658485480
1989-07-01	1.759093619558740
1989-08-01	1.880035810205910
1989-09-01	1.911589008363200
1989-10-01	1.821983273596180
1989-11-01	1.792650134448760
1989-12-01	1.705055339515410
1990-01-01	1.926550270921130
1990-02-01	1.897018970189700
1990-03-01	1.825254338719330
1990-04-01	1.760143198090690
1990-05-01	1.598579040852580
1990-06-01	1.629629629629630
1990-07-01	1.567583555161200
1990-08-01	1.600474214582100
1990-09-01	1.824065901735800
1990-10-01	1.848591549295770
1990-11-01	1.620506776664700
1990-12-01	1.655335501034580
1991-01-01	1.811701811701810
1991-02-01	1.779359430604980
1991-03-01	1.822457378012930
1991-04-01	1.790957134468580
1991-05-01	1.581259150805270
1991-06-01	1.521357519016970
1991-07-01	1.611013473930870
1991-08-01	1.698886936145280
1991-09-01	1.603966170895300
1991-10-01	1.516919486581100
1991-11-01	1.547897196261680
1991-12-01	1.640785232932900
1992-01-01	1.906158357771260
1992-02-01	1.754899093302140
1992-03-01	1.576642335766420
1992-04-01	1.664719626168220
1992-05-01	1.770682148040640
1992-06-01	1.742160278745640
1992-07-01	1.686536783948820
1992-08-01	1.741149158444570
1992-09-01	1.823972206137810
1992-10-01	1.934180138568130
1992-11-01	1.761987290583480
1992-12-01	1.769654772265740
1993-01-01	1.951645790853480
1993-02-01	2.004066221318620
1993-03-01	1.943155452436200
1993-04-01	1.938096615562630
1993-05-01	2.123995407577500
1993-06-01	1.982189026141910
1993-07-01	1.985611510791370
1993-08-01	2.098907418056350
1993-09-01	2.146536920435030
1993-10-01	2.237521514629950
1993-11-01	2.238163558106170
1993-12-01	2.248486595560680
1994-01-01	2.431962941517080
1994-02-01	2.484113229347200
1994-03-01	2.508650519031140
1994-04-01	2.362431575914720
1994-05-01	2.343526721920550
1994-06-01	2.402745995423340
1994-07-01	2.405498281786940
1994-08-01	2.568493150684930
1994-09-01	2.590378593794480
1994-10-01	2.627070245573960
1994-11-01	2.408947519357610
1994-12-01	2.466303412675650
1995-01-01	2.659728245157560
1995-02-01	2.656656078544610
1995-03-01	2.721283299914060
1995-04-01	2.664756446991400
1995-05-01	2.679589509692130
1995-06-01	2.499289974439080
1995-07-01	2.524822695035460
1995-08-01	2.610669693530080
1995-09-01	2.649379932356260
1995-10-01	2.770709640938650
1995-11-01	2.927799886299030
1995-12-01	2.960432678622260
1996-01-01	3.096330275229360
1996-02-01	2.932719953996550
1996-03-01	2.826149015129890
1996-04-01	2.840102243680770
1996-05-01	3.137365743357830
1996-06-01	2.930402930402930
1996-07-01	2.754356379988760
1996-08-01	2.949438202247190
1996-09-01	2.832305103757710
1996-10-01	2.970019613337070
1996-11-01	2.815315315315320
1996-12-01	2.878103837471780
1997-01-01	2.878103837471780
1997-02-01	2.990126939351200
1997-03-01	2.827547592385220
1997-04-01	2.766135792120700
1997-05-01	2.834120589052520
1997-06-01	2.772387025228720
1997-07-01	2.892102335928810
1997-08-01	2.957589285714290
1997-09-01	3.097962601172200
1997-10-01	3.090200445434300
1997-11-01	3.042143455205140
1997-12-01	2.990497484628280
1998-01-01	3.248389806776810
1998-02-01	3.338008415147260
1998-03-01	3.485778025655330
1998-04-01	3.703703703703700
1998-05-01	3.846153846153850
1998-06-01	3.701657458563540
1998-07-01	3.492239467849220
1998-08-01	3.911234396671290
1998-09-01	3.916666666666670
1998-10-01	3.777777777777780
1998-11-01	3.944444444444440
1998-12-01	3.945540427896640
1999-01-01	4.112253403723260
1999-02-01	4.153889043769170
1999-03-01	4.341775674923460
1999-04-01	4.472222222222220
1999-05-01	4.443831079216120
1999-06-01	4.443831079216120
1999-07-01	4.231194690265490
1999-08-01	4.194260485651210
1999-09-01	3.927492447129910
1999-10-01	4.031815688425670
1999-11-01	4.019823788546260
1999-12-01	4.068641018544150
2000-01-01	4.412989175686930
2000-02-01	4.583333333333330
2000-03-01	4.633740288568260
2000-04-01	4.579517069109080
2000-05-01	4.315352697095440
2000-06-01	4.178195904814610
2000-07-01	4.208194905869320
2000-08-01	4.136789851075560
2000-09-01	4.194078947368420
2000-10-01	4.213406292749660
2000-11-01	4.195228955305730
2000-12-01	4.162072767364940
2001-01-01	4.333333333333330
2001-02-01	4.417893859405390
2001-03-01	4.613259668508290
2001-04-01	4.760586769997230
2001-05-01	4.560530679933660
2001-06-01	4.620918649695630
2001-07-01	4.482567791920310
2001-08-01	4.437706725468580
2001-09-01	4.604356217259440
2001-10-01	4.994481236203090
2001-11-01	5.073063137579270
2001-12-01	5.067848241484350
2002-01-01	4.768544339096490
2002-02-01	4.749930148086060
2002-03-01	5.029174770769660
2002-04-01	5.101756342347370
2002-05-01	5.116796440489430
2002-06-01	5.024986118822880
2002-07-01	4.750000000000000
2002-08-01	4.940327504857060
2002-09-01	5.185801442041040
2002-10-01	5.260243632336660
2002-11-01	4.926245477317000
2002-12-01	4.916201117318440
2003-01-01	5.000000000000000
2003-02-01	4.980303882948790
2003-03-01	5.271966527196650
2003-04-01	5.219090147920740
2003-05-01	5.048543689320390
2003-06-01	5.082872928176800
2003-07-01	4.771151178918170
2003-08-01	4.425271360979680
2003-09-01	4.898413581964930
2003-10-01	4.871937639198220
2003-11-01	4.763231197771590
2003-12-01	4.361196533407880
2004-01-01	4.636133745434110
2004-02-01	4.751194827101490
2004-03-01	4.570947840717890
2004-04-01	4.489682097044060
2004-05-01	4.225743675284960
2004-06-01	4.319955406911930
2004-07-01	4.549260396315940
2004-08-01	4.151574254667040
2004-09-01	4.249370981269220
2004-10-01	4.402692091979810
2004-11-01	4.254128183599220
2004-12-01	4.010095344924290
2005-01-01	4.263674614305750
2005-02-01	4.526286196232780
2005-03-01	4.350266629245020
2005-04-01	4.114189756507140
2005-05-01	4.108828428650750
2005-06-01	4.013377926421400
2005-07-01	3.994413407821230
2005-08-01	3.797821837475570
2005-09-01	3.803442531926710
2005-10-01	4.113396331295160
2005-11-01	4.115341545352740
2005-12-01	3.826674169949350
2006-01-01	4.356379988757730
2006-02-01	4.224162207828780
2006-03-01	3.995529477507680
2006-04-01	3.832167832167830
2006-05-01	3.719122953094640
2006-06-01	3.774632250902030
2006-07-01	3.753127606338620
2006-08-01	3.730512249443210
2006-09-01	3.833333333333330
2006-10-01	3.965612867443150
2006-11-01	3.928670938980220
2006-12-01	3.690243220575900
2007-01-01	3.719239373601790
2007-02-01	3.789356366675950
2007-03-01	3.834398444012230
2007-04-01	3.693418494862540
2007-05-01	3.452085059375860
2007-06-01	3.345313795963510
2007-07-01	3.346238938053100
2007-08-01	3.320420586607640
2007-09-01	3.624792473713340
2007-10-01	3.704727674868680
2007-11-01	3.471257983893360
2007-12-01	3.285992759676970
2008-01-01	3.720155469183790
2008-02-01	3.974430239021680
2008-03-01	3.673810186473700
2008-04-01	3.713968957871400
2008-05-01	3.775144667952600
2008-06-01	3.738576571586820
2008-07-01	3.586321934945790
2008-08-01	3.689320388349520
2008-09-01	3.609106052193230
2008-10-01	3.739612188365650
2008-11-01	3.754171301446050
2008-12-01	4.040122596823630
2009-01-01	4.016736401673640
2009-02-01	4.301675977653630
2009-03-01	4.596100278551530
2009-04-01	4.993065187239940
2009-05-01	5.026381560677590
2009-06-01	5.163271001953670
2009-07-01	5.302818866871340
2009-08-01	5.242610150585610
2009-09-01	5.101756342347370
2009-10-01	4.988851727982160
2009-11-01	4.923076923076920
2009-12-01	4.657687991021320
2010-01-01	4.783216783216780
2010-02-01	4.921259842519680
2010-03-01	5.117449664429530
2010-04-01	5.239687848383500
2010-05-01	5.022321428571430
2010-06-01	4.902506963788300
2010-07-01	4.967903991068940
2010-08-01	4.917574741547920
2010-09-01	5.203116304952700
2010-10-01	5.055865921787710
2010-11-01	4.824684431977560
2010-12-01	4.664231525709470
2011-01-01	4.896474538332400
2011-02-01	4.621848739495800
2011-03-01	4.745857905082840
2011-04-01	4.871220604703250
2011-05-01	4.619260918253080
2011-06-01	4.602862756104410
2011-07-01	4.717775905644480
2011-08-01	4.222972972972970
2011-09-01	4.193639178159300
2011-10-01	4.389420371412490
2011-11-01	4.194819819819820
2011-12-01	4.314720812182740
2012-01-01	4.404291360813100
2012-02-01	4.298642533936650
2012-03-01	4.519774011299440
2012-04-01	4.576271186440680
2012-05-01	4.214992927864220
2012-06-01	4.314720812182740
2012-07-01	4.278832530461890
2012-08-01	4.085106382978720
2012-09-01	4.179610279582040
2012-10-01	3.978555304740410
2012-11-01	3.943262411347520
2012-12-01	4.082215244076510
2013-01-01	4.330484330484330
2013-02-01	4.354012521343200
2013-03-01	4.489911906791700
2013-04-01	4.258943781942080
2013-05-01	4.049844236760120
2013-06-01	3.984176320994630
2013-07-01	4.083947816222350
2013-08-01	4.179698606767130
2013-09-01	3.930995475113120
2013-10-01	4.007902907140840
2013-11-01	3.800340328984680
2013-12-01	3.518306636155610
2014-01-01	3.717472118959110
2014-02-01	3.571428571428570
2014-03-01	3.611032129655960
2014-04-01	3.662691652470190
2014-05-01	3.368242287008210
2014-06-01	3.487383045080800
2014-07-01	3.608979823813580
2014-08-01	3.579545454545450
2014-09-01	3.544088460447970
2014-10-01	3.629146583498720
2014-11-01	3.428571428571430
2014-12-01	3.234115626788780
2015-01-01	3.616173120728930
2015-02-01	3.505272157309780
2015-03-01	3.567351598173520
2015-04-01	3.429551300371540
2015-05-01	3.327645051194540
2015-06-01	3.375886524822700
2015-07-01	3.389347764169750
2015-08-01	3.391279566828160
2015-09-01	3.455111866326820
2015-10-01	3.243243243243240
2015-11-01	3.210088850673540
2015-12-01	3.283837806967450
2016-01-01	3.274487471526200
2016-02-01	3.379152348224510
2016-03-01	3.253671177656200
2016-04-01	3.236894872529360
2016-05-01	3.130335799658510
2016-06-01	2.962119054400460
2016-07-01	3.050171037628280
2016-08-01	3.244166192373360
2016-09-01	3.095711445612040
2016-10-01	2.932801822323460
2016-11-01	2.998286693318100
2016-12-01	3.108069575135440
2017-01-01	3.051040775591670
2017-02-01	2.976531196336580
2017-03-01	2.811244979919680
2017-04-01	2.750716332378220
2017-05-01	2.987197724039830
2017-06-01	2.680353578557170
2017-07-01	2.910958904109590
2017-08-01	2.811701221243960
2017-09-01	2.690455961484000
2017-10-01	2.668180527959130
2017-11-01	2.740508135883530
2017-12-01	2.692638212546550
2018-01-01	2.487846725764940
2018-02-01	2.451539338654500
2018-03-01	2.500710429099180
2018-04-01	2.694271128757800
2018-05-01	2.238594502691980
2018-06-01	2.413401476433840
2018-07-01	2.623324779013400
2018-08-01	2.443876101165100
2018-09-01	2.292669119728280