Month	Percent
1999-06-01	57.7940348902645
1999-07-01	56.8324435702913
1999-08-01	56.1155788292500
1999-09-01	57.7684407096172
1999-10-01	58.2882714898378
1999-11-01	58.0431949357662
1999-12-01	57.0233336432091
2000-01-01	55.6500190267581
2000-02-01	55.6676860346585
2000-03-01	56.9552907213442
2000-04-01	57.5320572040944
2000-05-01	58.3688453520763
2000-06-01	58.6707065497679
2000-07-01	58.2330166729508
2000-08-01	57.4148572688196
2000-09-01	58.9999266135838
2000-10-01	59.3693025130784
2000-11-01	59.0931966875600
2000-12-01	57.8790565054879
2001-01-01	56.5020947999671
2001-02-01	56.7318473950499
2001-03-01	57.9566975016389
2001-04-01	59.0486236780125
2001-05-01	59.5431633440806
2001-06-01	59.1485926288767
2001-07-01	58.5351709390092
2001-08-01	57.6663347515162
2001-09-01	58.9287006221965
2001-10-01	59.3314058547163
2001-11-01	59.4022764403766
2001-12-01	58.3652710270260
2002-01-01	57.3069542420065
2002-02-01	57.4526111141114
2002-03-01	58.7290596984057
2002-04-01	59.7182794926156
2002-05-01	59.9721773469754
2002-06-01	60.0285132748124
2002-07-01	59.2555764579414
2002-08-01	58.6747936917101
2002-09-01	59.7909195782621
2002-10-01	60.0596844230804
2002-11-01	59.3372552870495
2002-12-01	58.5714795390488
2003-01-01	56.9530463298787
2003-02-01	56.7159926634258
2003-03-01	58.0676440237697
2003-04-01	58.6490089769798
2003-05-01	59.4000319698773
2003-06-01	59.1677387870991
2003-07-01	58.7739905146048
2003-08-01	57.6547692852714
2003-09-01	58.6817445780574
2003-10-01	59.3040833826922
2003-11-01	59.3971083102958
2003-12-01	58.5004059157813
2004-01-01	58.2617741963924
2004-02-01	58.8487624416454
2004-03-01	59.7071273309690
2004-04-01	60.5683336850250
2004-05-01	60.3587459702568
2004-06-01	60.2761005406164
2004-07-01	59.7843051293292
2004-08-01	58.7513906043326
2004-09-01	60.4107958622862
2004-10-01	60.3717660636689
2004-11-01	60.2314814814815
2004-12-01	59.8212727336196
2005-01-01	58.6290477269953
2005-02-01	58.6890243902439
2005-03-01	59.7913113099175
2005-04-01	60.3312611398513
2005-05-01	60.7967130807918
2005-06-01	60.6980760385660
2005-07-01	60.2338623696551
2005-08-01	59.6113563576560
2005-09-01	61.3947136411568
2005-10-01	61.8268757714118
2005-11-01	61.7429302810650
2005-12-01	60.9880793561992
2006-01-01	60.4257989101473
2006-02-01	60.4270914693286
2006-03-01	61.1661552702402
2006-04-01	61.8502700343213
2006-05-01	62.2251091871010
2006-06-01	62.1183800623053
2006-07-01	61.5286906558230
2006-08-01	60.8998926874138
2006-09-01	62.0906190172304
2006-10-01	62.1354188804352
2006-11-01	62.3168712047221
2006-12-01	61.3901710562042
2007-01-01	60.6885209769165
2007-02-01	60.5884545023376
2007-03-01	61.8521809028218
2007-04-01	62.3700272203155
2007-05-01	62.4399307461678
2007-06-01	62.6693892704659
2007-07-01	62.1207650872061
2007-08-01	61.0747580910033
2007-09-01	62.4652947214323
2007-10-01	62.8033251241878
2007-11-01	63.1801692865780
2007-12-01	62.0177344529920
2008-01-01	61.2344954743547
2008-02-01	61.2254466902222
2008-03-01	61.9787702113778
2008-04-01	62.7294986754469
2008-05-01	62.7530702376878
2008-06-01	63.2116703087728
2008-07-01	62.2897531214056
2008-08-01	61.4018278915929
2008-09-01	62.6207528314457
2008-10-01	63.1658245444632
2008-11-01	62.9388026792029
2008-12-01	62.0720915532786
2009-01-01	61.0563333444182
2009-02-01	60.5662478393831
2009-03-01	61.2353390703392
2009-04-01	61.7175499630518
2009-05-01	61.7672689246500
2009-06-01	62.2941571747372
2009-07-01	61.5858058843535
2009-08-01	60.9618703126037
2009-09-01	61.7076712442435
2009-10-01	62.1989476654439
2009-11-01	62.1106979215087
2009-12-01	61.3198618536845
2010-01-01	60.9857763237651
2010-02-01	60.9535515268285
2010-03-01	61.7316765233570
2010-04-01	62.5485993420397
2010-05-01	62.5409223099294
2010-06-01	62.6216456548297
2010-07-01	62.4331984142156
2010-08-01	61.9082446808511
2010-09-01	62.8216422872340
2010-10-01	62.8085573230938
2010-11-01	62.5382313829787
2010-12-01	62.1893648498147
2011-01-01	61.2041523641713
2011-02-01	61.6966986934406
2011-03-01	62.5492445020695
2011-04-01	63.4815492021277
2011-05-01	63.8813164893617
2011-06-01	64.0051529255319
2011-07-01	62.9558509356010
2011-08-01	62.2563531133582
2011-09-01	62.2651083475440
2011-10-01	63.0434963510331
2011-11-01	62.9781318416036
2011-12-01	62.5240454677936
2012-01-01	61.5997201072922
2012-02-01	61.9287690410320
2012-03-01	62.7768561973275
2012-04-01	63.0978985990660
2012-05-01	63.6202107159839
2012-06-01	63.8374751739907
2012-07-01	63.3035565202872
2012-08-01	62.4650210917596
2012-09-01	63.1277632447702
2012-10-01	63.2206111083237
2012-11-01	63.0014809113043
2012-12-01	62.1576145191535
2013-01-01	61.6330496548951
2013-02-01	61.7831192014683
2013-03-01	62.3123752662384
2013-04-01	63.5201235013298
2013-05-01	63.6899365367180
2013-06-01	64.1550478750210
2013-07-01	64.0206393492218
2013-08-01	63.5554957666664
2013-09-01	63.9739901411531
2013-10-01	64.1417966974701
2013-11-01	64.2174487828291
2013-12-01	63.7480307000177
2014-01-01	63.3109959118304
2014-02-01	63.9497031439752
2014-03-01	64.2236978661289
2014-04-01	65.2546093064091
2014-05-01	65.2902473838462
2014-06-01	65.2794091550546
2014-07-01	64.9585225398919
2014-08-01	64.7820567075751
2014-09-01	64.9415890819447
2014-10-01	64.9982617838337
2014-11-01	65.2411908479870
2014-12-01	64.8015697733682
2015-01-01	64.2523741912446
2015-02-01	64.7576417727551
2015-03-01	64.7800349218517
2015-04-01	65.3310371873348
2015-05-01	65.6185470245917
2015-06-01	65.8977162085988
2015-07-01	65.6732240717467
2015-08-01	65.2544548862528
2015-09-01	65.5873255246044
2015-10-01	65.7545292341477
2015-11-01	65.9719180729100
2015-12-01	65.6687930945544
2016-01-01	65.1110938939249
2016-02-01	65.6132034818581
2016-03-01	65.3655001035411
2016-04-01	65.8814484641166
2016-05-01	66.1673772604232
2016-06-01	66.0392876622196
2016-07-01	65.9472338950743
2016-08-01	65.9396671289875
2016-09-01	66.2631063161820
2016-10-01	66.2342845739374
2016-11-01	66.5300914070435
2016-12-01	66.2408267836206
2017-01-01	65.6949464757403
2017-02-01	66.4719433215978
2017-03-01	66.5454893332058
2017-04-01	66.9337927554013
2017-05-01	66.6141471822281
2017-06-01	67.0124011565124
2017-07-01	66.7761696046566
2017-08-01	66.4873348737847
2017-09-01	66.6893530879710
2017-10-01	66.8866944320752
2017-11-01	66.9185939834514
2017-12-01	66.6593806284645
2018-01-01	66.4476332137545
2018-02-01	66.5300761754662
2018-03-01	67.0638536482792
2018-04-01	67.6445574503529
2018-05-01	67.6557811430677
2018-06-01	67.8128018263236
2018-07-01	67.5949834009590
2018-08-01	67.3269849078483
2018-09-01	67.6845074382925