Month	Percent
1986-01-01	65.2377884316228
1986-02-01	65.3122317360393
1986-03-01	65.6533915417164
1986-04-01	65.1916059506195
1986-05-01	64.9332476723076
1986-06-01	64.8262156160563
1986-07-01	64.9972108365065
1986-08-01	65.1232385840880
1986-09-01	65.3204520844613
1986-10-01	65.6603873744966
1986-11-01	66.3513513513514
1986-12-01	66.8543932591565
1987-01-01	66.9717899042859
1987-02-01	66.9188681370564
1987-03-01	66.8014450797904
1987-04-01	66.5262242731270
1987-05-01	66.1916820464398
1987-06-01	65.5745938946126
1987-07-01	65.2419709373478
1987-08-01	65.3372617675107
1987-09-01	65.7734761490898
1987-10-01	66.8780186812485
1987-11-01	67.4915863852846
1987-12-01	67.9546048896103
1988-01-01	67.9760191169691
1988-02-01	68.0461896801097
1988-03-01	68.1669659139387
1988-04-01	68.0980460980461
1988-05-01	68.0819949775156
1988-06-01	68.1155972845086
1988-07-01	68.2610153234405
1988-08-01	68.4474616292798
1988-09-01	68.8868575034686
1988-10-01	69.4991059599581
1988-11-01	70.1154023126707
1988-12-01	70.6811624310412
1989-01-01	71.0999375519920
1989-02-01	71.1472588952765
1989-03-01	71.1869428024196
1989-04-01	70.6408451672956
1989-05-01	70.1778398297132
1989-06-01	70.0037701790264
1989-07-01	69.9622252433917
1989-08-01	70.1857540722658
1989-09-01	70.1896692439374
1989-10-01	70.7856625715771
1989-11-01	71.2926249008723
1989-12-01	71.9528249392669
1990-01-01	72.0565088870974
1990-02-01	71.7263488227390
1990-03-01	71.0843183680084
1990-04-01	70.3289024302560
1990-05-01	69.8320977130744
1990-06-01	69.3983674292049
1990-07-01	69.1586842075849
1990-08-01	69.2964561674471
1990-09-01	69.2608694683314
1990-10-01	69.6169017970174
1990-11-01	70.3698109183964
1990-12-01	70.8680889003231
1991-01-01	71.1940708329089
1991-02-01	71.1657594637259
1991-03-01	71.0245509008472
1991-04-01	70.2038000656780
1991-05-01	69.5246226666285
1991-06-01	69.0239218891438
1991-07-01	69.1725876187572
1991-08-01	69.2697029095807
1991-09-01	69.5937007323052
1991-10-01	70.1935819093590
1991-11-01	71.0285629588296
1991-12-01	71.5292074532215
1992-01-01	71.7210630267712
1992-02-01	71.5503981915962
1992-03-01	71.6240334423531
1992-04-01	71.2771916014472
1992-05-01	70.8745284913234
1992-06-01	70.3699312307328
1992-07-01	70.5399326294945
1992-08-01	70.6066030700859
1992-09-01	71.1150305004302
1992-10-01	71.4233381177832
1992-11-01	72.2463210130048
1992-12-01	72.6581570219518
1993-01-01	73.2034073584443
1993-02-01	73.1270517804451
1993-03-01	73.1405529611074
1993-04-01	72.7320576599827
1993-05-01	72.6156369461844
1993-06-01	72.4046733440815
1993-07-01	72.6372205626983
1993-08-01	72.7864294950083
1993-09-01	73.0716820589505
1993-10-01	73.3079299387837
1993-11-01	73.6942120127246
1993-12-01	74.0866768560508
1994-01-01	74.2377394591902
1994-02-01	74.1695372987074
1994-03-01	73.4531892113013
1994-04-01	72.7413301212251
1994-05-01	71.8818408063724
1994-06-01	71.3891538002838
1994-07-01	71.1722589787158
1994-08-01	70.9288546556675
1994-09-01	71.3170100000414
1994-10-01	71.5761814854140
1994-11-01	72.4337804694414
1994-12-01	72.6047543424931
1995-01-01	73.1748353006752
1995-02-01	72.8977625152500
1995-03-01	72.8314416857062
1995-04-01	71.9341037881720
1995-05-01	71.2897387391994
1995-06-01	70.8887359523600
1995-07-01	70.8528244635946
1995-08-01	71.1566692388978
1995-09-01	71.2657862422848
1995-10-01	71.8253621879256
1995-11-01	71.9919817257937
1995-12-01	72.1497698930215
1996-01-01	72.0848320737178
1996-02-01	71.9935674449762
1996-03-01	71.6411535501444
1996-04-01	71.5569458554200
1996-05-01	71.1076115274678
1996-06-01	70.4096450304666
1996-07-01	69.9171262972799
1996-08-01	69.9191869499223
1996-09-01	70.4489676918192
1996-10-01	71.0730337750801
1996-11-01	71.8607072953648
1996-12-01	71.7335157242583
1997-01-01	71.8079551455902
1997-02-01	71.5361968298655
1997-03-01	71.4151094675200
1997-04-01	70.8408783596783
1997-05-01	70.0977934296397
1997-06-01	69.9393456744615
1997-07-01	69.9983465283000
1997-08-01	69.9981129776034
1997-09-01	69.9846499923446
1997-10-01	70.3319363804939
1997-11-01	71.0890918557900
1997-12-01	71.4483979991360
1998-01-01	71.5472260882975
1998-02-01	71.4356419244776
1998-03-01	71.3147534351026
1998-04-01	70.7647530527407
1998-05-01	70.4384244472697
1998-06-01	70.0108528061565
1998-07-01	70.0006758257142
1998-08-01	69.9422332988314
1998-09-01	69.7149728247800
1998-10-01	69.6985929987865
1998-11-01	69.8390067130042
1998-12-01	69.5893324356993
1999-01-01	69.0994236448782
1999-02-01	68.7004269734423
1999-03-01	68.3262599066004
1999-04-01	67.4714270536094
1999-05-01	66.4239615458158
1999-06-01	66.1701930653686
1999-07-01	65.6772069057866
1999-08-01	65.8834827144686
1999-09-01	66.2833779782884
1999-10-01	67.6315819105134
1999-11-01	68.3478381457827
1999-12-01	68.6483614347829
2000-01-01	68.4221046575056
2000-02-01	68.4161652249635
2000-03-01	67.9746043800185
2000-04-01	67.8697114401977
2000-05-01	66.8708914746650
2000-06-01	66.0192971028439
2000-07-01	65.4659201701776
2000-08-01	65.5066801805952
2000-09-01	66.1591411616245
2000-10-01	66.4432562692974
2000-11-01	67.2530193402845
2000-12-01	67.2808082139373
2001-01-01	66.9234028718900
2001-02-01	66.4170233867380
2001-03-01	66.1716300726543
2001-04-01	65.8014019540188
2001-05-01	65.7877476772333
2001-06-01	65.6643429968110
2001-07-01	65.7828759149120
2001-08-01	65.6247635995548
2001-09-01	66.0773323644004
2001-10-01	66.7623006005548
2001-11-01	67.2857836662790
2001-12-01	67.2900321129460
2002-01-01	66.9536110540832
2002-02-01	66.5850808376620
2002-03-01	66.4179661933354
2002-04-01	66.1004247702121
2002-05-01	65.5346846431535
2002-06-01	65.1770838313069
2002-07-01	64.8015295231902
2002-08-01	64.8929904135776
2002-09-01	65.2008573479932
2002-10-01	66.0331798530807
2002-11-01	66.8871579620004
2002-12-01	66.9286206153377
2003-01-01	66.9149984967242
2003-02-01	66.8437214996068
2003-03-01	66.7731735092234
2003-04-01	66.5722931037779
2003-05-01	66.1532082620598
2003-06-01	65.7802487096886
2003-07-01	65.4025862635443
2003-08-01	65.3160658081247
2003-09-01	65.5266123723492
2003-10-01	66.2719043211682
2003-11-01	66.8197984842526
2003-12-01	66.7417145583186
2004-01-01	66.6517031815682
2004-02-01	66.2415698827649
2004-03-01	65.9505202785045
2004-04-01	65.1337238357170
2004-05-01	64.8493516982080
2004-06-01	64.3478820498837
2004-07-01	64.4986147524219
2004-08-01	64.6373841902984
2004-09-01	65.2885598882461
2004-10-01	66.1856778588414
2004-11-01	67.1450279427380
2004-12-01	67.3640279840590
2005-01-01	66.9622580114927
2005-02-01	66.8535136448567
2005-03-01	66.5812983021739
2005-04-01	66.3826881628878
2005-05-01	65.7020756817565
2005-06-01	65.6016402403869
2005-07-01	65.5313812528614
2005-08-01	65.7836322554014
2005-09-01	66.1027535703635
2005-10-01	66.4476244574317
2005-11-01	66.7956940825091
2005-12-01	67.1302410719310
2006-01-01	67.3333465676738
2006-02-01	67.4853573016768
2006-03-01	67.0548763582113
2006-04-01	66.6912703577695
2006-05-01	65.9517073491677
2006-06-01	65.7599745978457
2006-07-01	65.7269346898271
2006-08-01	66.2532733248336
2006-09-01	66.7283603696914
2006-10-01	67.1716440458761
2006-11-01	67.3220387717140
2006-12-01	67.3831170131159
2007-01-01	67.5057957654181
2007-02-01	67.6644214762491
2007-03-01	67.6344100659705
2007-04-01	67.2294859406307
2007-05-01	66.7074334857941
2007-06-01	66.2498489157354
2007-07-01	66.0084113033556
2007-08-01	66.0285131137538
2007-09-01	66.1121142156200
2007-10-01	66.5374780656433
2007-11-01	67.1272108959078
2007-12-01	67.6365736151838
2008-01-01	67.8039641376146
2008-02-01	67.6749827883166
2008-03-01	67.4248592110978
2008-04-01	66.8805576194575
2008-05-01	66.5649945043649
2008-06-01	66.5450768251486
2008-07-01	66.5382126122415
2008-08-01	66.6305200633425
2008-09-01	66.7937499723514
2008-10-01	66.9586873348322
2008-11-01	66.7939119519765
2008-12-01	66.3544020562485
2009-01-01	65.9883111204611
2009-02-01	65.6507480455922
2009-03-01	65.1629772045468
2009-04-01	64.5057359547300
2009-05-01	63.9492184680230
2009-06-01	63.7313888357512
2009-07-01	63.6959013117454
2009-08-01	64.0012529113228
2009-09-01	64.0408902662557
2009-10-01	64.2901467859186
2009-11-01	64.5621588082408
2009-12-01	64.8334916680452
2010-01-01	65.1936024854703
2010-02-01	65.8885630498534
2010-03-01	66.1964037448404
2010-04-01	66.1450701276952
2010-05-01	66.4332246054901
2010-06-01	66.5020554653273
2010-07-01	66.6067126978213
2010-08-01	67.3328157278559
2010-09-01	67.4521679284240
2010-10-01	67.8106212424850
2010-11-01	67.9985721411933
2010-12-01	68.5354297119003
2011-01-01	68.8281809896091
2011-02-01	68.6232138433881
2011-03-01	68.6810109714657
2011-04-01	68.1509652462833
2011-05-01	68.4056751159608
2011-06-01	67.8338753596500
2011-07-01	68.0250291422808
2011-08-01	68.0214076317091
2011-09-01	67.7553393203803
2011-10-01	67.7652636392078
2011-11-01	68.1128963449440
2011-12-01	68.4206657345343
2012-01-01	68.3327090481399
2012-02-01	68.7202224190768
2012-03-01	68.5349351849942
2012-04-01	68.4144623680228
2012-05-01	67.7913223322201
2012-06-01	67.3357401857619
2012-07-01	67.1221427799394
2012-08-01	67.5046092427168
2012-09-01	67.5849950919045
2012-10-01	67.8214910828418
2012-11-01	68.0781839233554
2012-12-01	68.5801192093298
2013-01-01	68.4574800905678
2013-02-01	68.2434986462081
2013-03-01	68.3659472586469
2013-04-01	68.1272344540744
2013-05-01	67.8224946048863
2013-06-01	67.6228180734813
2013-07-01	67.7051254031170
2013-08-01	67.6789798656776
2013-09-01	67.7508450139724
2013-10-01	67.8324528476800
2013-11-01	68.3097356742008
2013-12-01	68.4259059932225
2014-01-01	68.3899977439175
2014-02-01	67.8570999411645
2014-03-01	67.7693135976321
2014-04-01	67.3977364631499
2014-05-01	67.1173099128918
2014-06-01	66.4923879600398
2014-07-01	66.3338514323538
2014-08-01	66.3047500460599
2014-09-01	66.5741440176859
2014-10-01	67.2221544513124
2014-11-01	67.7437841176459
2014-12-01	67.9815485020852
2015-01-01	67.8350782142258
2015-02-01	68.0028225664945
2015-03-01	67.8119783979567
2015-04-01	67.5191789884414
2015-05-01	67.1229316193608
2015-06-01	66.8951798818184
2015-07-01	66.7857326215544
2015-08-01	67.0949520979848
2015-09-01	66.8000062159246
2015-10-01	67.0506046515434
2015-11-01	67.1861084821578
2015-12-01	68.0304712428047
2016-01-01	68.1326479316326
2016-02-01	67.6280989562481
2016-03-01	67.5167255803950
2016-04-01	66.8437239188131
2016-05-01	66.5182282809564
2016-06-01	66.1908981494027
2016-07-01	66.3895757707691
2016-08-01	66.5910226105944
2016-09-01	66.7375012402324
2016-10-01	66.9887265734470
2016-11-01	66.8776570476208
2016-12-01	67.0896991804873
2017-01-01	66.8864712906551
2017-02-01	67.3231256282058
2017-03-01	66.9474989997264
2017-04-01	66.8891854555169
2017-05-01	66.5270066492528
2017-06-01	66.3704605871882
2017-07-01	66.1289748867464
2017-08-01	66.2777510875932
2017-09-01	66.3447755111554
2017-10-01	66.7445932303545
2017-11-01	66.8396456205906
2017-12-01	67.0250922016552
2018-01-01	66.9233054346426
2018-02-01	66.5669181439435
2018-03-01	66.4833738477304
2018-04-01	66.4787923133753
2018-05-01	66.2991934627052
2018-06-01	66.0479980617448
2018-07-01	65.6121357746626
2018-08-01	65.3903622764648