Month Percent 1995-01-01 62.9084178335748 1995-02-01 63.7986490833065 1995-03-01 63.7152498794794 1995-04-01 64.3333065746167 1995-05-01 64.4672492583981 1995-06-01 63.7004405286344 1995-07-01 64.5434904377051 1995-08-01 63.5978582274435 1995-09-01 62.9112104758863 1995-10-01 63.1969370662838 1995-11-01 63.7529880478088 1995-12-01 64.4722177997134 1996-01-01 64.1001191895113 1996-02-01 63.9473057693834 1996-03-01 63.7840837032340 1996-04-01 63.5391923990499 1996-05-01 63.2806324110672 1996-06-01 62.5690825832938 1996-07-01 63.7159072993852 1996-08-01 62.9320525942839 1996-09-01 63.3018867924528 1996-10-01 63.6277974087161 1996-11-01 64.0627450980392 1996-12-01 64.9874647445942 1997-01-01 64.6147829487681 1997-02-01 63.6200296851808 1997-03-01 63.1065688875019 1997-04-01 63.0587135960131 1997-05-01 62.9635388323097 1997-06-01 63.1264546159814 1997-07-01 63.5089078233927 1997-08-01 63.1591155095098 1997-09-01 62.9763925320167 1997-10-01 62.4489795918367 1997-11-01 61.7726189561073 1997-12-01 62.1882912606460 1998-01-01 62.6779972439136 1998-02-01 60.8675729341683 1998-03-01 60.8536585365854 1998-04-01 61.5045257473188 1998-05-01 62.5882352941176 1998-06-01 61.5501059642749 1998-07-01 61.9108761329305 1998-08-01 61.5975885455916 1998-09-01 60.4343578567671 1998-10-01 60.2534303066657 1998-11-01 60.2139277432867 1998-12-01 60.8627509515636 1999-01-01 61.4543018755582 1999-02-01 61.0715345799941 1999-03-01 60.5138456982082 1999-04-01 59.9305709432011 1999-05-01 60.6882322599661 1999-06-01 61.6266255234737 1999-07-01 61.5350780734550 1999-08-01 60.7236842105263 1999-09-01 60.1969365426696 1999-10-01 60.6040756914119 1999-11-01 60.1742919389978 1999-12-01 59.1782013189362 2000-01-01 58.8753975137323 2000-02-01 58.5237511713400 2000-03-01 59.4159113796576 2000-04-01 58.7555619348356 2000-05-01 59.0811507084586 2000-06-01 59.4274291425716 2000-07-01 59.5868945868946 2000-08-01 57.7037773359841 2000-09-01 58.6202011616376 2000-10-01 57.5213735603759 2000-11-01 57.9362841838173 2000-12-01 58.2747469066367 2001-01-01 58.7164952061026 2001-02-01 58.6293530602275 2001-03-01 57.8416365154467 2001-04-01 58.2149539186474 2001-05-01 58.9502762430939 2001-06-01 58.5041970551810 2001-07-01 59.4809285763199 2001-08-01 59.1923050685586 2001-09-01 58.3123853522658 2001-10-01 58.0001353088424 2001-11-01 57.5412596833951 2001-12-01 56.2969420600858 2002-01-01 56.6442416572304 2002-02-01 57.4090035138898 2002-03-01 57.3417805055105 2002-04-01 57.6443569553806 2002-05-01 57.7726975832789 2002-06-01 57.4967490247074 2002-07-01 58.2126228660114 2002-08-01 55.8153013910356 2002-09-01 55.6580802255543 2002-10-01 54.1352903637524 2002-11-01 53.4295340410654 2002-12-01 52.2766132607181 2003-01-01 52.5148115467036 2003-02-01 52.0753532182104 2003-03-01 51.6044285982361 2003-04-01 52.2039596563317 2003-05-01 52.1520714462912 2003-06-01 52.5740740740741 2003-07-01 53.5083943176926 2003-08-01 52.4754901960784 2003-09-01 51.9031352934000 2003-10-01 51.9025042548019 2003-11-01 50.6390453691926 2003-12-01 50.1418482525502 2004-01-01 50.7213272421255 2004-02-01 51.1342551026516 2004-03-01 51.9148174659986 2004-04-01 51.1710854832957 2004-05-01 50.7582938388626 2004-06-01 51.8077263344146 2004-07-01 52.6597307940986 2004-08-01 51.5921329899321 2004-09-01 50.6184364060677 2004-10-01 50.3198046284452 2004-11-01 49.8116487974500 2004-12-01 50.3176987060998 2005-01-01 51.3779414302974 2005-02-01 50.4526701810681 2005-03-01 50.6511309115833 2005-04-01 50.5380017079419 2005-05-01 49.9262871399410 2005-06-01 50.4719380545979 2005-07-01 51.7662966927714 2005-08-01 50.7715616407609 2005-09-01 50.4027746699485 2005-10-01 50.0864328333240 2005-11-01 50.3613520124527 2005-12-01 50.2189457347154 2006-01-01 50.5242825607064 2006-02-01 49.7276178946789 2006-03-01 48.9548472046963 2006-04-01 49.2040916798862 2006-05-01 48.5530546623794 2006-06-01 48.7639228470524 2006-07-01 48.5075031150116 2006-08-01 48.3588857698121 2006-09-01 47.8925553103300 2006-10-01 48.5639125999893 2006-11-01 47.9950746827989 2006-12-01 47.9337960491191 2007-01-01 47.9551135457108 2007-02-01 47.4089004402482 2007-03-01 46.5986034701650 2007-04-01 46.0771907624170 2007-05-01 46.9923230623620 2007-06-01 47.0893643801133 2007-07-01 47.8388125228663 2007-08-01 46.4397414512093 2007-09-01 46.2022355081882 2007-10-01 45.6313196785066 2007-11-01 46.2294403641254 2007-12-01 46.2105969148223 2008-01-01 45.8260511976971 2008-02-01 46.0674733388023 2008-03-01 44.5683306055646 2008-04-01 45.2589722675367 2008-05-01 44.9687293435704 2008-06-01 45.1477220899002 2008-07-01 47.2253108258364 2008-08-01 47.1495539089672 2008-09-01 46.1492087415222 2008-10-01 45.2823570676955 2008-11-01 45.5267892842863 2008-12-01 45.4912516823688 2009-01-01 44.6459627329192 2009-02-01 44.2022883748576 2009-03-01 43.6721991701245 2009-04-01 43.3940886699507 2009-05-01 43.4220868539988 2009-06-01 43.2592520070492 2009-07-01 44.8913839394679 2009-08-01 44.2562305295950 2009-09-01 44.0677143965852 2009-10-01 43.8279965173648 2009-11-01 43.8087887704404 2009-12-01 44.3118957140796 2010-01-01 44.6830952152651 2010-02-01 44.3908265647396 2010-03-01 44.6302649132838 2010-04-01 44.3721195419775 2010-05-01 43.9590637733346 2010-06-01 43.2200188857413 2010-07-01 44.0452083823876 2010-08-01 43.3654071814128 2010-09-01 42.8905847652044 2010-10-01 42.0044834672146 2010-11-01 42.1256173702358 2010-12-01 42.7880816250639 2011-01-01 42.2028555534953 2011-02-01 41.8281011604790 2011-03-01 42.7609116914275 2011-04-01 41.7441753384290 2011-05-01 41.9062930638493 2011-06-01 42.5309491059147 2011-07-01 44.4007139261361 2011-08-01 43.6815193571950 2011-09-01 43.7431644185199 2011-10-01 43.7377735316865 2011-11-01 43.7162192850979 2011-12-01 42.6329871661149 2012-01-01 42.4038026256225 2012-02-01 41.9811107596367 2012-03-01 41.0323512159906 2012-04-01 40.8403134288030 2012-05-01 41.1627175037094 2012-06-01 41.5619389587074 2012-07-01 43.4969544965962 2012-08-01 42.0243204577969 2012-09-01 41.5539786673807 2012-10-01 41.7453670705631 2012-11-01 41.9545596016184 2012-12-01 41.5771722730097 2013-01-01 41.1259626449500 2013-02-01 40.1245748111499 2013-03-01 40.4373512035976 2013-04-01 40.1380887462070 2013-05-01 40.2563202247191 2013-06-01 40.5168637757337 2013-07-01 41.8902385738006 2013-08-01 40.9760990928123 2013-09-01 40.5265448215840 2013-10-01 40.4030751856839 2013-11-01 40.3190843666002 2013-12-01 39.8294815199515 2014-01-01 40.2910315644026 2014-02-01 39.9741379310345 2014-03-01 40.5524006195147 2014-04-01 39.4652130992746 2014-05-01 40.0231322823852 2014-06-01 40.1051237126618 2014-07-01 41.7349027635619 2014-08-01 41.6049382716049 2014-09-01 41.2394342267341 2014-10-01 41.3211226999067 2014-11-01 41.2865002115954 2014-12-01 41.8022052300283 2015-01-01 41.6262698646883 2015-02-01 40.7326407873155 2015-03-01 40.2812762384551 2015-04-01 40.6319406612748 2015-05-01 40.8106073280910 2015-06-01 41.0557062382641 2015-07-01 42.7113702623907 2015-08-01 41.4882560798171 2015-09-01 41.4599751140606 2015-10-01 40.6458290209066 2015-11-01 40.4264110404099 2015-12-01 40.2664357007341 2016-01-01 40.6345156777220 2016-02-01 40.1051075710297 2016-03-01 39.8057456661612 2016-04-01 39.4468764063331 2016-05-01 39.0072658992571 2016-06-01 39.7644853720153 2016-07-01 41.0338796925204 2016-08-01 39.6469155844156 2016-09-01 38.8938411669368 2016-10-01 38.5138141660936 2016-11-01 39.5743306005412 2016-12-01 39.7395056252268 2017-01-01 39.9058387992435 2017-02-01 39.3659340217784 2017-03-01 39.5722997913658 2017-04-01 39.3831363909473 2017-05-01 39.7121726963822 2017-06-01 38.8090676883780 2017-07-01 40.2549800796813 2017-08-01 38.9374900588516 2017-09-01 38.3720468532857 2017-10-01 38.1947197336082 2017-11-01 37.6296413585623 2017-12-01 37.2124278599099 2018-01-01 38.1080121503807 2018-02-01 38.0648465508411 2018-03-01 38.5341673551281 2018-04-01 38.8760161803401 2018-05-01 38.7912777472743 2018-06-01 38.5736106215486 2018-07-01 39.5659824046921 2018-08-01 38.3645097043777 2018-09-01 38.1269989858803 2018-10-01 37.6733676172666