Month	Percent
1986-01-01	51.0036873068340
1986-02-01	50.9369966546896
1986-03-01	50.8436354467236
1986-04-01	50.4328857825133
1986-05-01	50.2957282121988
1986-06-01	50.0848044408411
1986-07-01	50.1178641944529
1986-08-01	50.1148343306875
1986-09-01	50.3256120682549
1986-10-01	50.5268702040586
1986-11-01	50.6093767972038
1986-12-01	50.5837442117696
1987-01-01	50.4927076460927
1987-02-01	50.7165779897512
1987-03-01	50.8495147045965
1987-04-01	51.1479951114474
1987-05-01	50.9995084670330
1987-06-01	50.6547006544106
1987-07-01	50.3720492297857
1987-08-01	50.1462552865794
1987-09-01	50.3461489629382
1987-10-01	50.5298187231807
1987-11-01	50.9062945396861
1987-12-01	51.0080008452163
1988-01-01	51.2326379932014
1988-02-01	51.4027794628325
1988-03-01	51.7672116311914
1988-04-01	51.7877716963526
1988-05-01	51.7817791712173
1988-06-01	51.7396554115665
1988-07-01	51.8000562978702
1988-08-01	51.9072785247599
1988-09-01	52.0227421329008
1988-10-01	52.3803608232869
1988-11-01	52.4970094513738
1988-12-01	52.5289349962913
1989-01-01	52.4908756663460
1989-02-01	52.6384633765196
1989-03-01	52.7098219285474
1989-04-01	52.7088567400247
1989-05-01	52.4247623236194
1989-06-01	52.2547701990991
1989-07-01	52.2101918481236
1989-08-01	52.3017747996006
1989-09-01	52.5886540551330
1989-10-01	52.8317218383221
1989-11-01	53.1092160204422
1989-12-01	53.3490676897308
1990-01-01	53.3168388271569
1990-02-01	53.1240136242209
1990-03-01	52.9475899824433
1990-04-01	52.6112416798941
1990-05-01	52.4600103312116
1990-06-01	52.3069241048356
1990-07-01	52.1417461622867
1990-08-01	52.1095516263509
1990-09-01	52.2547541044212
1990-10-01	52.5974723892013
1990-11-01	52.9909499172387
1990-12-01	52.9964944483708
1991-01-01	53.1070143398999
1991-02-01	53.2972599709759
1991-03-01	52.8568996944769
1991-04-01	52.2230421051726
1991-05-01	51.8162945078880
1991-06-01	52.0786596377144
1991-07-01	52.4046301322635
1991-08-01	52.6882823941930
1991-09-01	52.7277986446662
1991-10-01	52.8729152235307
1991-11-01	53.0308818068352
1991-12-01	53.3020707063732
1992-01-01	53.4555950153384
1992-02-01	53.3473206607159
1992-03-01	53.0198148582886
1992-04-01	52.6323736077397
1992-05-01	52.4305507969356
1992-06-01	52.3662961867480
1992-07-01	52.6894162728103
1992-08-01	52.8310677655562
1992-09-01	53.1648275197291
1992-10-01	53.5838626796220
1992-11-01	54.3140034198248
1992-12-01	54.7213890291064
1993-01-01	54.9403517248848
1993-02-01	54.9689318288630
1993-03-01	54.8504510864487
1993-04-01	54.5044993681915
1993-05-01	54.1795354806657
1993-06-01	54.6195725190209
1993-07-01	55.1634539976060
1993-08-01	55.5237057018565
1993-09-01	55.5270454486998
1993-10-01	55.5464696159216
1993-11-01	55.9975668351008
1993-12-01	56.2980314714646
1994-01-01	56.5169989547601
1994-02-01	56.2128588249832
1994-03-01	55.9275299213891
1994-04-01	55.4587220419958
1994-05-01	54.9050169590786
1994-06-01	54.7038596370112
1994-07-01	54.6997412856239
1994-08-01	54.6104646807408
1994-09-01	54.9726247856889
1994-10-01	55.2889764661822
1994-11-01	55.9853429635641
1994-12-01	56.0803846091900
1995-01-01	56.1111999043044
1995-02-01	55.6983727538914
1995-03-01	55.3136016856134
1995-04-01	54.7456770351092
1995-05-01	54.3615312414723
1995-06-01	54.2172787699175
1995-07-01	54.1408384441567
1995-08-01	54.3706133628463
1995-09-01	54.2631267733007
1995-10-01	54.7414652831046
1995-11-01	54.8762761054792
1995-12-01	55.3729785349975
1996-01-01	55.1727272098581
1996-02-01	54.8906025418052
1996-03-01	54.1549979067648
1996-04-01	54.1291135480406
1996-05-01	54.0546752075808
1996-06-01	53.7374809247149
1996-07-01	53.3787542257687
1996-08-01	53.3908158944464
1996-09-01	53.5133282358214
1996-10-01	54.0521590906875
1996-11-01	54.5377263410050
1996-12-01	54.5275801109700
1997-01-01	54.3444612755379
1997-02-01	54.0806253927128
1997-03-01	54.1320381468065
1997-04-01	53.9490949033987
1997-05-01	53.7065914807537
1997-06-01	53.9133008840001
1997-07-01	54.3374708606192
1997-08-01	54.6009804091256
1997-09-01	54.3054624648789
1997-10-01	54.2258133498016
1997-11-01	54.4301554909260
1997-12-01	54.4854666786526
1998-01-01	54.1275265210698
1998-02-01	54.2146344532888
1998-03-01	54.1638986022306
1998-04-01	54.1944102400389
1998-05-01	54.0809445266981
1998-06-01	53.9520963186484
1998-07-01	54.2384047122161
1998-08-01	54.4133923238705
1998-09-01	54.6458345303209
1998-10-01	55.0751697677545
1998-11-01	55.3563501872712
1998-12-01	55.2536523769021
1999-01-01	54.7356559389159
1999-02-01	54.6396843369873
1999-03-01	54.7306866632875
1999-04-01	54.5918922462735
1999-05-01	54.2419888395095
1999-06-01	54.2470470069790
1999-07-01	54.4590473565379
1999-08-01	54.6673610687883
1999-09-01	54.9126233998011
1999-10-01	55.3532183548381
1999-11-01	55.5399027381097
1999-12-01	55.3776025060030
2000-01-01	54.9748618501092
2000-02-01	54.7006045528961
2000-03-01	54.4524359766871
2000-04-01	54.6390380546696
2000-05-01	54.2545476383946
2000-06-01	54.1678208752973
2000-07-01	54.0913536980144
2000-08-01	54.2201814110249
2000-09-01	54.2878537156401
2000-10-01	54.1951452633857
2000-11-01	54.3580316818456
2000-12-01	54.1748022963367
2001-01-01	53.7901704798709
2001-02-01	53.4560619408811
2001-03-01	53.5455075997187
2001-04-01	53.4637319542933
2001-05-01	53.5692726298188
2001-06-01	53.6141559327817
2001-07-01	53.8575987522391
2001-08-01	54.0164262465779
2001-09-01	54.2105258505079
2001-10-01	54.4538406831646
2001-11-01	54.3914860184823
2001-12-01	54.3338003730458
2002-01-01	53.9397535163676
2002-02-01	53.9221319804069
2002-03-01	53.8309361012137
2002-04-01	53.5207712930861
2002-05-01	53.3352980772249
2002-06-01	53.2246103066365
2002-07-01	53.1391297322794
2002-08-01	53.3094734615281
2002-09-01	53.7603912149675
2002-10-01	54.0692988132274
2002-11-01	54.1971046953149
2002-12-01	54.1823032290398
2003-01-01	54.3471499296311
2003-02-01	54.5914213480739
2003-03-01	54.6957199482222
2003-04-01	54.8234250994924
2003-05-01	54.5202202871649
2003-06-01	54.1855255649152
2003-07-01	54.0390190060978
2003-08-01	53.9169548174969
2003-09-01	54.0567254084360
2003-10-01	54.4178179839869
2003-11-01	54.7572221973584
2003-12-01	54.7275467357305
2004-01-01	54.5745720797903
2004-02-01	54.6951214900970
2004-03-01	54.8676014745305
2004-04-01	54.8602652322977
2004-05-01	54.6604461729776
2004-06-01	54.2587520902784
2004-07-01	54.5315503155822
2004-08-01	54.6627759338132
2004-09-01	55.2941761451924
2004-10-01	55.5841218031678
2004-11-01	56.1204879230208
2004-12-01	56.0070725339202
2005-01-01	55.7698694256624
2005-02-01	55.7719498364698
2005-03-01	55.8152532148064
2005-04-01	55.7868578177285
2005-05-01	55.6840335584471
2005-06-01	55.5127087522130
2005-07-01	55.4857172224592
2005-08-01	55.3737304929403
2005-09-01	55.3139028966573
2005-10-01	55.2840840235117
2005-11-01	55.3715361964626
2005-12-01	55.5218653495826
2006-01-01	55.5169789398183
2006-02-01	55.5627634894004
2006-03-01	55.4940184832470
2006-04-01	55.2551467765723
2006-05-01	54.7944940227665
2006-06-01	54.4851014428703
2006-07-01	54.3278601122039
2006-08-01	54.1749884848948
2006-09-01	54.3068722127282
2006-10-01	54.4411146878459
2006-11-01	54.5390571371572
2006-12-01	54.5722785464950
2007-01-01	54.8561254040546
2007-02-01	55.1377585268899
2007-03-01	55.2281842685702
2007-04-01	54.8982457639088
2007-05-01	54.4651950523492
2007-06-01	54.2522280402975
2007-07-01	54.3753994980506
2007-08-01	54.5098819100323
2007-09-01	54.6202005184787
2007-10-01	54.9515220900146
2007-11-01	55.6461099642109
2007-12-01	56.2681502317711
2008-01-01	56.1998811655373
2008-02-01	56.2127934453597
2008-03-01	56.1400633932536
2008-04-01	56.0335981302866
2008-05-01	56.0255486189751
2008-06-01	56.0792594569563
2008-07-01	55.9486620774867
2008-08-01	55.5961325396339
2008-09-01	55.6489139881263
2008-10-01	56.0076885405516
2008-11-01	56.3292253058288
2008-12-01	56.1083027540362
2009-01-01	56.0536074435900
2009-02-01	56.0330965568043
2009-03-01	56.2605879172976
2009-04-01	56.0218075509355
2009-05-01	55.9573237151516
2009-06-01	55.7695160470496
2009-07-01	55.7767571428364
2009-08-01	55.6185207846229
2009-09-01	55.6165058103678
2009-10-01	55.6985446036889
2009-11-01	55.8617641212867
2009-12-01	55.9815304071454
2010-01-01	56.0033223881747
2010-02-01	57.6853053552230
2010-03-01	57.6981278259659
2010-04-01	57.7782076294303
2010-05-01	57.9734324560490
2010-06-01	58.2769968583200
2010-07-01	58.4995502564855
2010-08-01	58.9098661727140
2010-09-01	58.8504478530832
2010-10-01	58.9826573644713
2010-11-01	59.2955314107346
2010-12-01	59.7486553540134
2011-01-01	59.6757626532422
2011-02-01	59.6573087861813
2011-03-01	59.6163404054923
2011-04-01	59.6730237120322
2011-05-01	59.9075361047726
2011-06-01	59.7417511894307
2011-07-01	59.8084215911239
2011-08-01	59.8961140893878
2011-09-01	59.7525740565860
2011-10-01	59.6472569352123
2011-11-01	59.7392308815784
2011-12-01	59.8813476537320
2012-01-01	60.0075195272263
2012-02-01	59.8928756187318
2012-03-01	59.8360183811083
2012-04-01	59.8203165608232
2012-05-01	59.4186988914911
2012-06-01	59.0636301802234
2012-07-01	58.9196129046391
2012-08-01	59.3387280581781
2012-09-01	59.5016343749529
2012-10-01	59.5119783671667
2012-11-01	59.5358409923666
2012-12-01	59.7338027825681
2013-01-01	59.7233934709441
2013-02-01	59.6331687628740
2013-03-01	59.8402214414167
2013-04-01	59.8623217599638
2013-05-01	59.5622343464693
2013-06-01	59.1116432387951
2013-07-01	59.1131692106016
2013-08-01	59.0755978416385
2013-09-01	59.3163232166073
2013-10-01	59.4768803588180
2013-11-01	59.9304614797444
2013-12-01	60.2247140993372
2014-01-01	60.3701691883682
2014-02-01	60.1264723455232
2014-03-01	60.0344078188404
2014-04-01	59.7804075584518
2014-05-01	59.5808684681994
2014-06-01	59.2609504008047
2014-07-01	59.1947908252905
2014-08-01	59.4416263991370
2014-09-01	59.5521327015891
2014-10-01	59.8031835810154
2014-11-01	60.0441947373565
2014-12-01	59.9621911908389
2015-01-01	59.7636448888149
2015-02-01	59.5748775455974
2015-03-01	59.6141696350266
2015-04-01	59.7113157188090
2015-05-01	59.5748881971385
2015-06-01	59.4606635016866
2015-07-01	59.4416277987365
2015-08-01	59.6830471828321
2015-09-01	59.4934425877614
2015-10-01	59.6287678800768
2015-11-01	59.8209066431518
2015-12-01	59.9794060074366
2016-01-01	59.7151464735421
2016-02-01	59.4384948919065
2016-03-01	59.5591357283417
2016-04-01	59.5968154335881
2016-05-01	59.4357886011043
2016-06-01	59.4961506522382
2016-07-01	59.3466036814181
2016-08-01	59.4266961095662
2016-09-01	59.3922468759955
2016-10-01	59.6166201593468
2016-11-01	59.5458559609289
2016-12-01	59.6508662193453
2017-01-01	59.3832393672705
2017-02-01	59.4656353896371
2017-03-01	59.4998929544978
2017-04-01	59.7164420336209
2017-05-01	59.5809936233854
2017-06-01	59.5369349357110
2017-07-01	59.5142363713547
2017-08-01	59.7044373897916
2017-09-01	59.6945724382735
2017-10-01	59.9674818205505
2017-11-01	60.0604827257889
2017-12-01	60.2636941169319
2018-01-01	60.1025959395652
2018-02-01	59.9486656309900
2018-03-01	59.7763911936904
2018-04-01	59.9261624240328
2018-05-01	59.8655269427010
2018-06-01	59.6553185084554
2018-07-01	59.4567114133010
2018-08-01	59.2068075168668