Month Percent 1999-06-01 24.5301567108078 1999-07-01 24.5077091875036 1999-08-01 24.9149120276896 1999-09-01 24.7291378515445 1999-10-01 24.5409015025042 1999-11-01 24.7468936953520 1999-12-01 25.3964605837738 2000-01-01 26.4465325721112 2000-02-01 26.7223322142837 2000-03-01 25.9790823289258 2000-04-01 25.3945069736804 2000-05-01 25.1547040320275 2000-06-01 25.3174462640445 2000-07-01 24.7247264370962 2000-08-01 25.3376224094739 2000-09-01 25.2596749160001 2000-10-01 25.0185972822414 2000-11-01 25.3039250724712 2000-12-01 26.0014389222812 2001-01-01 27.4634240319126 2001-02-01 27.3534374398406 2001-03-01 26.5160987366551 2001-04-01 25.2418511293925 2001-05-01 24.9029874773355 2001-06-01 24.8822291552657 2001-07-01 24.6470144124044 2001-08-01 25.2760301185157 2001-09-01 25.1894961763383 2001-10-01 24.9984551863607 2001-11-01 25.0302996296712 2001-12-01 25.7010393658411 2002-01-01 26.1985409796599 2002-02-01 26.1757090046810 2002-03-01 25.6328159050525 2002-04-01 24.5342325794331 2002-05-01 24.4772605552084 2002-06-01 24.4042045657214 2002-07-01 23.9884199977731 2002-08-01 24.7864151111309 2002-09-01 24.6950152006091 2002-10-01 24.5090202608937 2002-11-01 24.6095808715431 2002-12-01 25.0954679731969 2003-01-01 25.9493180409175 2003-02-01 25.9965606285977 2003-03-01 25.5570899850853 2003-04-01 25.1001401410238 2003-05-01 24.7637467695987 2003-06-01 24.7801740988102 2003-07-01 24.4437233960645 2003-08-01 25.3590252320680 2003-09-01 25.2217273590967 2003-10-01 24.6958897795921 2003-11-01 24.6589538326571 2003-12-01 25.0571098316561 2004-01-01 25.6476187870996 2004-02-01 25.6494358436106 2004-03-01 24.8560659856885 2004-04-01 24.5466752546370 2004-05-01 24.4444686862516 2004-06-01 24.3010412863783 2004-07-01 24.2958608866030 2004-08-01 25.2992326809399 2004-09-01 24.7998956686174 2004-10-01 24.2858616626759 2004-11-01 24.3877290758820 2004-12-01 24.8597836817496 2005-01-01 25.8146531862413 2005-02-01 25.9634965337955 2005-03-01 25.1063484331872 2005-04-01 24.5684060228453 2005-05-01 24.4059167824118 2005-06-01 24.3063730519586 2005-07-01 24.4118361071400 2005-08-01 25.4136829230181 2005-09-01 25.4721651259645 2005-10-01 25.1245425379270 2005-11-01 25.1909257281475 2005-12-01 26.0656976962380 2006-01-01 26.7783546539635 2006-02-01 26.6882988447989 2006-03-01 25.5638736410432 2006-04-01 25.0595818871063 2006-05-01 24.8166168063112 2006-06-01 24.8590362918440 2006-07-01 24.8065841000987 2006-08-01 25.4789759240420 2006-09-01 25.5345272873534 2006-10-01 25.2686211398098 2006-11-01 25.2480501856086 2006-12-01 26.1492449137836 2007-01-01 26.6631909885145 2007-02-01 26.7805758234128 2007-03-01 25.7179038521157 2007-04-01 25.0764959350874 2007-05-01 24.7994256577948 2007-06-01 24.7841828246152 2007-07-01 24.8121636449135 2007-08-01 25.4588807379658 2007-09-01 25.6395427594902 2007-10-01 25.3817905665481 2007-11-01 25.4549137962381 2007-12-01 26.4621354388222 2008-01-01 27.2281432226124 2008-02-01 27.3983088102195 2008-03-01 26.3704361840610 2008-04-01 25.6465817455772 2008-05-01 25.3328592922360 2008-06-01 25.4305576280867 2008-07-01 25.3630039152015 2008-08-01 25.9333969798692 2008-09-01 26.3799937441993 2008-10-01 26.1748026413528 2008-11-01 26.1261537831809 2008-12-01 27.2829492428076 2009-01-01 28.1455906652251 2009-02-01 28.1815958173239 2009-03-01 27.1933353362630 2009-04-01 26.4029022229685 2009-05-01 25.9698807121692 2009-06-01 25.4337197081626 2009-07-01 25.9607485166591 2009-08-01 26.5687367034748 2009-09-01 26.6172012207775 2009-10-01 26.7321375292672 2009-11-01 26.5663362735291 2009-12-01 27.6562239752888 2010-01-01 27.9054666263969 2010-02-01 28.0510439668224 2010-03-01 27.4550699581859 2010-04-01 26.4049937477715 2010-05-01 26.0002909207642 2010-06-01 26.0723162029985 2010-07-01 25.7593723889147 2010-08-01 26.7331927524210 2010-09-01 26.8462774932359 2010-10-01 26.4539869958913 2010-11-01 26.7484589262774 2010-12-01 27.3318753417168 2011-01-01 28.5582392709295 2011-02-01 27.6608404611380 2011-03-01 26.5319968701405 2011-04-01 26.1951526005670 2011-05-01 25.9877518767286 2011-06-01 25.7576879228913 2011-07-01 25.9672211953173 2011-08-01 26.3748602609120 2011-09-01 26.9111298175141 2011-10-01 26.2235165062203 2011-11-01 26.2906023220278 2011-12-01 27.2154752452926 2012-01-01 28.0924917803051 2012-02-01 27.5098396287376 2012-03-01 26.8280156327191 2012-04-01 25.9888055141398 2012-05-01 25.5735047867329 2012-06-01 25.6114700657831 2012-07-01 25.6266119320758 2012-08-01 26.1649548829686 2012-09-01 26.0825947209506 2012-10-01 26.0002725803625 2012-11-01 26.4062044150540 2012-12-01 27.5804026194519 2013-01-01 28.0609869646182 2013-02-01 28.1013712829803 2013-03-01 27.1958788841227 2013-04-01 26.2128688921142 2013-05-01 25.7742074252377 2013-06-01 25.6811235944207 2013-07-01 25.6306128157887 2013-08-01 26.1399113509347 2013-09-01 26.0620148323540 2013-10-01 25.8804695837780 2013-11-01 25.9155402972175 2013-12-01 26.7917434008594 2014-01-01 26.8846520587066 2014-02-01 26.3595162548516 2014-03-01 26.1277413617522 2014-04-01 25.0445381643112 2014-05-01 25.2423571619404 2014-06-01 25.1903885928877 2014-07-01 24.9046505759058 2014-08-01 25.2300799512968 2014-09-01 25.3893052143376 2014-10-01 25.3666065153386 2014-11-01 25.4761870875615 2014-12-01 26.4847801150853 2015-01-01 26.9683566483241 2015-02-01 26.5138434902720 2015-03-01 26.2195986501942 2015-04-01 25.4630438374920 2015-05-01 25.1479917926464 2015-06-01 25.2287871219475 2015-07-01 25.0347266366252 2015-08-01 25.7128740824393 2015-09-01 25.8037821724452 2015-10-01 25.8594601706703 2015-11-01 26.0315015356294 2015-12-01 26.6712654034218 2016-01-01 27.3788357157266 2016-02-01 26.8928047402740 2016-03-01 26.2539691460365 2016-04-01 25.9762992361839 2016-05-01 25.5953800472283 2016-06-01 25.4016768078961 2016-07-01 25.2181264479486 2016-08-01 25.3986407005620 2016-09-01 25.5952492022914 2016-10-01 25.6818118245984 2016-11-01 25.9011810748480 2016-12-01 26.7708726200953 2017-01-01 27.5185235142816 2017-02-01 26.6279642661263 2017-03-01 26.0604822041495 2017-04-01 25.4132413626637 2017-05-01 25.3105085940616 2017-06-01 25.2090828171939 2017-07-01 25.2749034999513 2017-08-01 25.7598073271270 2017-09-01 25.7376328155744 2017-10-01 25.9134352938999 2017-11-01 25.9701354537469 2017-12-01 26.5904501365520 2018-01-01 27.1825057638019 2018-02-01 27.1038740931279 2018-03-01 26.0787030622142 2018-04-01 25.8059602282169 2018-05-01 25.5016679970654 2018-06-01 25.8082070485800 2018-07-01 25.8711190786715 2018-08-01 26.1058992037065 2018-09-01 26.1433035570467