Month	Percent
1968-01-01	1.146384479717810
1968-02-01	1.243339253996450
1968-03-01	1.615646258503400
1968-04-01	0.897959183673469
1968-05-01	0.947867298578199
1968-06-01	0.864100549882168
1968-07-01	0.960000000000000
1968-08-01	1.134521880064830
1968-09-01	0.889248181083266
1968-10-01	0.719424460431655
1968-11-01	0.726392251815981
1968-12-01	0.683176771989752
1969-01-01	1.150442477876110
1969-02-01	1.125541125541130
1969-03-01	1.171548117154810
1969-04-01	1.049233252623080
1969-05-01	0.869565217391304
1969-06-01	0.941176470588235
1969-07-01	0.880704563650921
1969-08-01	0.890688259109312
1969-09-01	0.953137410643368
1969-10-01	0.871632329635499
1969-11-01	0.725806451612903
1969-12-01	0.755667506297229
1970-01-01	1.040763226366000
1970-02-01	0.865051903114187
1970-03-01	0.833333333333334
1970-04-01	0.956937799043062
1970-05-01	0.855365474339036
1970-06-01	0.781860828772479
1970-07-01	0.632411067193676
1970-08-01	0.963081861958266
1970-09-01	0.715421303656598
1970-10-01	0.632911392405063
1970-11-01	0.900900900900901
1970-12-01	0.767263427109974
1971-01-01	0.872600349040140
1971-02-01	1.047120418848170
1971-03-01	1.160862354892210
1971-04-01	1.073492981007430
1971-05-01	0.975609756097561
1971-06-01	0.887812752219532
1971-07-01	0.810372771474878
1971-08-01	0.976403580146461
1971-09-01	1.151315789473680
1971-10-01	1.137286758732740
1971-11-01	0.895036615134256
1971-12-01	1.018675721561970
1972-01-01	1.456726649528710
1972-02-01	1.217391304347830
1972-03-01	1.352493660185970
1972-04-01	1.157981803143090
1972-05-01	0.959232613908873
1972-06-01	0.875099443118536
1972-07-01	0.871632329635499
1972-08-01	0.954653937947494
1972-09-01	1.024428684003150
1972-10-01	0.845503458877786
1972-11-01	0.783699059561128
1972-12-01	0.959232613908873
1973-01-01	1.214574898785420
1973-02-01	1.118210862619810
1973-03-01	1.026045777426990
1973-04-01	1.090342679127730
1973-05-01	0.840978593272171
1973-06-01	0.973782771535581
1973-07-01	0.908402725208176
1973-08-01	1.148545176110260
1973-09-01	1.136363636363640
1973-10-01	1.020408163265310
1973-11-01	0.672645739910314
1973-12-01	0.958466453674121
1974-01-01	1.367658889782780
1974-02-01	1.344936708860760
1974-03-01	1.560062402496100
1974-04-01	0.839694656488550
1974-05-01	0.897531787584144
1974-06-01	0.896191187453324
1974-07-01	1.138088012139610
1974-08-01	1.219512195121950
1974-09-01	1.063829787234040
1974-10-01	1.427498121713000
1974-11-01	1.365705614567530
1974-12-01	1.665344964314040
1975-01-01	1.879084967320260
1975-02-01	1.841473178542830
1975-03-01	1.882352941176470
1975-04-01	1.781564678543760
1975-05-01	1.634472511144130
1975-06-01	1.382823871906840
1975-07-01	1.252763448784080
1975-08-01	1.571856287425150
1975-09-01	1.636904761904760
1975-10-01	1.481481481481480
1975-11-01	1.428571428571430
1975-12-01	1.558846453624320
1976-01-01	1.818181818181820
1976-02-01	2.021772939346810
1976-03-01	1.981707317073170
1976-04-01	1.427498121713000
1976-05-01	1.539589442815250
1976-06-01	1.369863013698630
1976-07-01	1.302460202604920
1976-08-01	1.602330662782230
1976-09-01	1.585014409221900
1976-10-01	1.437814521926670
1976-11-01	1.322556943423950
1976-12-01	1.422155688622750
1977-01-01	1.666666666666670
1977-02-01	1.886792452830190
1977-03-01	2.075611564121570
1977-04-01	1.568068424803990
1977-05-01	1.743375174337520
1977-06-01	1.727712508638560
1977-07-01	1.667824878387770
1977-08-01	1.697312588401700
1977-09-01	1.740947075208910
1977-10-01	1.660899653979240
1977-11-01	1.688951442646020
1977-12-01	1.870503597122300
1978-01-01	1.985294117647060
1978-02-01	2.249637155297530
1978-03-01	2.212705210563880
1978-04-01	2.090592334494770
1978-05-01	1.886792452830190
1978-06-01	1.801200800533690
1978-07-01	1.907356948228880
1978-08-01	1.932367149758450
1978-09-01	2.042205582028590
1978-10-01	1.741460147354320
1978-11-01	1.638225255972700
1978-12-01	1.742160278745640
1979-01-01	1.966292134831460
1979-02-01	1.976005645730420
1979-03-01	2.244039270687240
1979-04-01	2.107409925220940
1979-05-01	1.859229747675960
1979-06-01	1.666666666666670
1979-07-01	1.879194630872480
1979-08-01	1.893171061528060
1979-09-01	1.884253028263800
1979-10-01	1.844532279314890
1979-11-01	1.939799331103680
1979-12-01	1.718213058419240
1980-01-01	1.882845188284520
1980-02-01	1.872399445214980
1980-03-01	2.139406487232570
1980-04-01	2.008032128514060
1980-05-01	1.845748187211600
1980-06-01	1.707156927117530
1980-07-01	1.925630810092960
1980-08-01	2.004008016032060
1980-09-01	1.916721744877730
1980-10-01	1.843317972350230
1980-11-01	1.989389920424400
1980-12-01	1.829268292682930
1981-01-01	1.871101871101870
1981-02-01	2.155771905424200
1981-03-01	2.254098360655740
1981-04-01	2.050264550264550
1981-05-01	2.212101496421600
1981-06-01	2.168199737187910
1981-07-01	1.907894736842110
1981-08-01	1.722995361166340
1981-09-01	1.838476690741960
1981-10-01	1.683937823834200
1981-11-01	1.877022653721680
1981-12-01	1.707156927117530
1982-01-01	1.943699731903490
1982-02-01	2.014775016789790
1982-03-01	2.188328912466840
1982-04-01	2.154046997389030
1982-05-01	2.186495176848870
1982-06-01	2.061855670103090
1982-07-01	2.026143790849670
1982-08-01	2.035456336178590
1982-09-01	2.252252252252250
1982-10-01	2.288620470438650
1982-11-01	2.073882047958520
1982-12-01	2.007772020725390
1983-01-01	2.544031311154600
1983-02-01	2.690288713910760
1983-03-01	2.653721682847900
1983-04-01	2.724968314321930
1983-05-01	2.631578947368420
1983-06-01	2.268431001890360
1983-07-01	2.465233881163080
1983-08-01	2.706104468219010
1983-09-01	2.560899437851340
1983-10-01	2.367601246105920
1983-11-01	2.219403931515540
1983-12-01	2.333117303953340
1984-01-01	2.819672131147540
1984-02-01	2.754098360655740
1984-03-01	2.836879432624110
1984-04-01	2.653190145293750
1984-05-01	2.560899437851340
1984-06-01	2.789832610043400
1984-07-01	2.625000000000000
1984-08-01	2.644836272040300
1984-09-01	2.348578491965390
1984-10-01	2.452483139178420
1984-11-01	2.487562189054730
1984-12-01	2.232142857142860
1985-01-01	2.704443013522220
1985-02-01	2.506426735218510
1985-03-01	2.557544757033250
1985-04-01	2.434456928838950
1985-05-01	2.475247524752480
1985-06-01	2.727836329820210
1985-07-01	2.549751243781090
1985-08-01	2.313946216385240
1985-09-01	2.455494168201350
1985-10-01	2.329858982219500
1985-11-01	2.422360248447200
1985-12-01	2.309172546504170
1986-01-01	2.749360613810740
1986-02-01	2.670057215511760
1986-03-01	2.896725440806050
1986-04-01	2.834257547751080
1986-05-01	2.524630541871920
1986-06-01	2.578268876611420
1986-07-01	2.405922270203580
1986-08-01	2.667493796526050
1986-09-01	2.595797280593320
1986-10-01	2.463054187192120
1986-11-01	2.298136645962730
1986-12-01	2.538071065989850
1987-01-01	2.941176470588240
1987-02-01	2.860775588048320
1987-03-01	3.007518796992480
1987-04-01	3.168799512492380
1987-05-01	2.982349360925140
1987-06-01	2.564102564102560
1987-07-01	2.149877149877150
1987-08-01	2.223594811612110
1987-09-01	2.457002457002460
1987-10-01	2.457002457002460
1987-11-01	2.337023370233700
1987-12-01	2.296710117939170
1988-01-01	2.695924764890280
1988-02-01	2.631578947368420
1988-03-01	2.546583850931680
1988-04-01	2.425712553062460
1988-05-01	2.396644697423610
1988-06-01	2.109704641350210
1988-07-01	2.110977080820270
1988-08-01	2.507645259938840
1988-09-01	2.440512507626600
1988-10-01	2.500000000000000
1988-11-01	2.317073170731710
1988-12-01	2.209944751381220
1989-01-01	2.363184079601990
1989-02-01	2.402957486136780
1989-03-01	2.504581551618820
1989-04-01	2.223557692307690
1989-05-01	2.130177514792900
1989-06-01	1.892371377882910
1989-07-01	1.788908765652950
1989-08-01	2.108433734939760
1989-09-01	2.035928143712580
1989-10-01	2.142857142857140
1989-11-01	2.085816448152560
1989-12-01	1.926550270921130
1990-01-01	2.405291641611550
1990-02-01	2.094554159186120
1990-03-01	1.795332136445240
1990-04-01	2.132701421800950
1990-05-01	2.220923436586790
1990-06-01	2.049180327868850
1990-07-01	1.897983392645310
1990-08-01	2.089552238805970
1990-09-01	2.107728337236530
1990-10-01	2.061248527679620
1990-11-01	1.945754716981130
1990-12-01	1.724137931034480
1991-01-01	1.903628792385480
1991-02-01	1.900237529691210
1991-03-01	2.194543297746140
1991-04-01	2.298173246906310
1991-05-01	2.159953298307060
1991-06-01	2.149912841371300
1991-07-01	2.001177163037080
1991-08-01	2.002355712603060
1991-09-01	2.335084646818450
1991-10-01	2.159953298307060
1991-11-01	1.972157772621810
1991-12-01	1.700879765395890
1992-01-01	2.097064110245660
1992-02-01	2.131438721136770
1992-03-01	2.364066193853430
1992-04-01	2.050380785002930
1992-05-01	1.973302379570520
1992-06-01	1.852924145917780
1992-07-01	1.940035273368610
1992-08-01	2.004716981132080
1992-09-01	2.270081490104770
1992-10-01	2.119129438717070
1992-11-01	2.352266207687890
1992-12-01	2.161214953271030
1993-01-01	2.315914489311160
1993-02-01	2.403846153846150
1993-03-01	2.449223416965350
1993-04-01	2.226127709431750
1993-05-01	2.375434530706840
1993-06-01	2.266124346310280
1993-07-01	2.233980011757790
1993-08-01	2.466236054022310
1993-09-01	2.567094515752630
1993-10-01	2.540415704387990
1993-11-01	2.646720368239360
1993-12-01	2.613240418118470
1994-01-01	2.934272300469480
1994-02-01	3.021327014218010
1994-03-01	2.836879432624110
1994-04-01	2.705814622913070
1994-05-01	2.675014228799090
1994-06-01	2.515723270440250
1994-07-01	2.614758861127250
1994-08-01	3.113983548766160
1994-09-01	2.898550724637680
1994-10-01	2.868617326448650
1994-11-01	2.891844997108160
1994-12-01	2.603550295857990
1995-01-01	3.000000000000000
1995-02-01	2.875586854460090
1995-03-01	2.998236331569660
1995-04-01	3.070683661645420
1995-05-01	2.978235967926690
1995-06-01	2.850627137970350
1995-07-01	2.776171197223830
1995-08-01	3.095794392523360
1995-09-01	3.333333333333330
1995-10-01	3.341013824884790
1995-11-01	3.079604880883210
1995-12-01	2.929115407147040
1996-01-01	3.154205607476640
1996-02-01	3.104862331575860
1996-03-01	2.885170225043280
1996-04-01	3.375286041189930
1996-05-01	3.038990825688070
1996-06-01	2.959590210586230
1996-07-01	3.033772180881510
1996-08-01	3.184713375796180
1996-09-01	3.073420603301080
1996-10-01	3.176403857061830
1996-11-01	3.273980470993680
1996-12-01	2.843876958792800
1997-01-01	3.098106712564540
1997-02-01	3.264604810996560
1997-03-01	3.200000000000000
1997-04-01	3.282399547255240
1997-05-01	3.651685393258430
1997-06-01	3.344481605351170
1997-07-01	3.107344632768360
1997-08-01	3.302961275626420
1997-09-01	3.180803571428570
1997-10-01	3.342618384401110
1997-11-01	3.293583191368540
1997-12-01	3.080433542498570
1998-01-01	3.061224489795920
1998-02-01	3.308613804905880
1998-03-01	3.577512776831350
1998-04-01	3.957037874505370
1998-05-01	3.919372900335950
1998-06-01	3.962053571428570
1998-07-01	3.959276018099550
1998-08-01	4.330708661417320
1998-09-01	4.245810055865920
1998-10-01	4.359977641140300
1998-11-01	4.220596510973550
1998-12-01	3.559127439724460
1999-01-01	4.142692750287690
1999-02-01	4.532415375788870
1999-03-01	4.591836734693880
1999-04-01	4.668166479190100
1999-05-01	4.443194600674920
1999-06-01	4.453213077790300
1999-07-01	4.473386183465460
1999-08-01	4.491858506457050
1999-09-01	4.575892857142860
1999-10-01	4.374649467190130
1999-11-01	3.970917225950780
1999-12-01	3.874643874643870
2000-01-01	4.454597372929750
2000-02-01	4.568817818389490
2000-03-01	4.677695379349690
2000-04-01	4.801786711334450
2000-05-01	4.656319290465630
2000-06-01	4.326123128119800
2000-07-01	4.241071428571430
2000-08-01	4.313725490196080
2000-09-01	4.433221099887770
2000-10-01	4.248183342649520
2000-11-01	4.092920353982300
2000-12-01	3.701626472237800
2001-01-01	4.429678848283500
2001-02-01	4.424778761061950
2001-03-01	4.418344519015660
2001-04-01	4.661487236404000
2001-05-01	4.647348277747400
2001-06-01	4.580152671755720
2001-07-01	4.405286343612330
2001-08-01	4.709141274238230
2001-09-01	5.121145374449340
2001-10-01	4.547945205479450
2001-11-01	4.705246078961600
2001-12-01	4.570484581497800
2002-01-01	5.092333519865700
2002-02-01	5.345211581291760
2002-03-01	5.444444444444440
2002-04-01	5.225125069483050
2002-05-01	5.484764542936290
2002-06-01	5.263157894736840
2002-07-01	5.286588759042850
2002-08-01	5.133928571428570
2002-09-01	5.199115044247790
2002-10-01	5.211190345584200
2002-11-01	4.808743169398910
2002-12-01	4.682274247491640
2003-01-01	5.411499436302140
2003-02-01	4.945992040932350
2003-03-01	4.879416713404370
2003-04-01	5.207166853303470
2003-05-01	5.353200883002210
2003-06-01	4.630650496141120
2003-07-01	5.013927576601670
2003-08-01	4.871220604703250
2003-09-01	4.871220604703250
2003-10-01	4.983388704318940
2003-11-01	4.682274247491640
2003-12-01	4.119638826185100
2004-01-01	4.581447963800900
2004-02-01	4.818594104308390
2004-03-01	4.458239277652370
2004-04-01	4.842342342342340
2004-05-01	4.817927170868350
2004-06-01	4.313725490196080
2004-07-01	4.161979752530930
2004-08-01	4.604154969118470
2004-09-01	4.440697020798200
2004-10-01	4.588696138780080
2004-11-01	4.036384309266630
2004-12-01	3.790924755887420
2005-01-01	4.568817818389490
2005-02-01	4.400000000000000
2005-03-01	4.389965792474340
2005-04-01	4.527447651386530
2005-05-01	4.788418708240540
2005-06-01	4.098820887142060
2005-07-01	4.274465691788530
2005-08-01	4.414261460101870
2005-09-01	4.374649467190130
2005-10-01	4.745951982132890
2005-11-01	4.553215708594190
2005-12-01	3.799654576856650
2006-01-01	4.121350887235260
2006-02-01	3.720663995420720
2006-03-01	4.009163802978240
2006-04-01	3.911564625850340
2006-05-01	4.020100502512560
2006-06-01	3.950338600451470
2006-07-01	3.863636363636360
2006-08-01	4.157303370786520
2006-09-01	3.982052720134600
2006-10-01	3.932584269662920
2006-11-01	3.728813559322030
2006-12-01	3.606182026330850
2007-01-01	3.979238754325260
2007-02-01	3.921568627450980
2007-03-01	4.171428571428570
2007-04-01	4.004512126339540
2007-05-01	3.841870824053450
2007-06-01	3.547297297297300
2007-07-01	3.528742174160500
2007-08-01	3.922683342808410
2007-09-01	4.031800113571830
2007-10-01	4.060913705583760
2007-11-01	3.537338573834920
2007-12-01	3.500846979107850
2008-01-01	3.777904979965660
2008-02-01	3.965517241379310
2008-03-01	4.230989136649510
2008-04-01	4.382470119521910
2008-05-01	4.239683436970040
2008-06-01	4.121964991530210
2008-07-01	3.904923599320880
2008-08-01	4.268639726807060
2008-09-01	4.190260475651190
2008-10-01	3.850509626274070
2008-11-01	3.811659192825110
2008-12-01	4.114994363021420
2009-01-01	4.473386183465460
2009-02-01	4.540295119182750
2009-03-01	5.017103762827820
2009-04-01	5.045351473922900
2009-05-01	5.197740112994350
2009-06-01	5.141242937853110
2009-07-01	5.147058823529410
2009-08-01	5.580357142857140
2009-09-01	5.604883462819090
2009-10-01	5.022321428571430
2009-11-01	4.983202687569990
2009-12-01	4.915254237288140
2010-01-01	5.110732538330490
2010-02-01	4.767309875141880
2010-03-01	4.775440591245030
2010-04-01	5.073280721533260
2010-05-01	4.932735426008970
2010-06-01	4.974561899378180
2010-07-01	4.737732656514380
2010-08-01	5.218855218855220
2010-09-01	4.664075513603550
2010-10-01	4.618809126321650
2010-11-01	4.604154969118470
2010-12-01	4.320636725412170
2011-01-01	4.377487208641270
2011-02-01	4.576271186440680
2011-03-01	4.439385315879340
2011-04-01	4.594441293250140
2011-05-01	4.576271186440680
2011-06-01	4.946599213041030
2011-07-01	4.581447963800900
2011-08-01	4.610130904951620
2011-09-01	3.923766816143500
2011-10-01	4.017857142857140
2011-11-01	3.984287317620650
2011-12-01	3.870233352305070
2012-01-01	4.328018223234620
2012-02-01	4.204545454545450
2012-03-01	4.475920679886690
2012-04-01	4.428251121076230
2012-05-01	4.674457429048410
2012-06-01	4.241071428571430
2012-07-01	4.276871131119860
2012-08-01	4.135977337110480
2012-09-01	4.204035874439460
2012-10-01	4.064587973273940
2012-11-01	3.859060402684560
2012-12-01	3.726708074534160
2013-01-01	3.768278965129360
2013-02-01	4.136389044158750
2013-03-01	3.687150837988830
2013-04-01	4.256495301271420
2013-05-01	4.405286343612330
2013-06-01	3.935698447893570
2013-07-01	3.678929765886290
2013-08-01	4.066852367688020
2013-09-01	3.914002205071660
2013-10-01	4.102844638949670
2013-11-01	3.567508232711310
2013-12-01	3.193832599118940
2014-01-01	3.498056635202660
2014-02-01	3.555555555555560
2014-03-01	3.674832962138080
2014-04-01	4.000000000000000
2014-05-01	3.958218801539310
2014-06-01	3.744493392070480
2014-07-01	3.750689464975180
2014-08-01	3.537866224433390
2014-09-01	3.715846994535520
2014-10-01	3.476371537208040
2014-11-01	3.113052976515570
2014-12-01	3.018660812294180
2015-01-01	3.216860787576260
2015-02-01	3.199117484831770
2015-03-01	3.199117484831770
2015-04-01	3.728436282693380
2015-05-01	3.465346534653470
2015-06-01	3.375068045726730
2015-07-01	3.404722679846240
2015-08-01	3.355335533553360
2015-09-01	3.375068045726730
2015-10-01	2.989130434782610
2015-11-01	3.395399780941950
2015-12-01	3.030303030303030
2016-01-01	3.005464480874320
2016-02-01	2.978488692774410
2016-03-01	2.926559911651020
2016-04-01	3.520352035203520
2016-05-01	3.349807797913230
2016-06-01	3.416485900216920
2016-07-01	3.035230352303520
2016-08-01	2.945990180032730
2016-09-01	2.777777777777780
2016-10-01	2.774755168661590
2016-11-01	3.135135135135140
2016-12-01	2.604449267498640
2017-01-01	2.832244008714600
2017-02-01	2.742731760833790
2017-03-01	2.736726874657910
2017-04-01	3.046789989118610
2017-05-01	3.135135135135140
2017-06-01	2.904787520172140
2017-07-01	2.540540540540540
2017-08-01	2.654387865655470
2017-09-01	2.800215401184710
2017-10-01	2.741935483870970
2017-11-01	2.614727854855920
2017-12-01	2.469135802469140
2018-01-01	2.486486486486490
2018-02-01	2.425876010781670
2018-03-01	2.466487935656840
2018-04-01	2.452025586353940
2018-05-01	2.306866952789700
2018-06-01	2.520107238605900
2018-07-01	2.352941176470590
2018-08-01	2.408993576017130
2018-09-01	2.440318302387270