Month Percent 2005-01-01 15.2150852293511 2005-02-01 15.3650793650794 2005-03-01 16.6144141062912 2005-04-01 17.5337702287014 2005-05-01 18.9572921399364 2005-06-01 19.3523207554354 2005-07-01 20.3419226957384 2005-08-01 19.8027703357465 2005-09-01 18.4274185744973 2005-10-01 16.3747777004562 2005-11-01 15.1666473115782 2005-12-01 15.4029557367501 2006-01-01 15.3559422410340 2006-02-01 15.4359983429992 2006-03-01 15.9312587087784 2006-04-01 17.1132429154262 2006-05-01 19.1254506794860 2006-06-01 18.7160467088996 2006-07-01 18.6574870912220 2006-08-01 17.2627684271619 2006-09-01 16.8003938874503 2006-10-01 16.0110357932433 2006-11-01 13.8662705399061 2006-12-01 13.7951595931252 2007-01-01 13.5713550776829 2007-02-01 14.6198630136986 2007-03-01 15.0838086267943 2007-04-01 15.5750313003041 2007-05-01 16.2290608793075 2007-06-01 16.7416528534217 2007-07-01 17.3974718092365 2007-08-01 17.3478493664109 2007-09-01 16.9413854351687 2007-10-01 16.3130343744547 2007-11-01 16.2521254959491 2007-12-01 16.4712935645205 2008-01-01 16.9240500470541 2008-02-01 17.1785399632131 2008-03-01 17.2640938884258 2008-04-01 18.3111259160560 2008-05-01 18.7923845883358 2008-06-01 18.9664641757510 2008-07-01 18.5211232229869 2008-08-01 17.5405763497847 2008-09-01 16.6096702937086 2008-10-01 17.0131927827718 2008-11-01 17.7550265995918 2008-12-01 19.1928095830251 2009-01-01 19.1636171928301 2009-02-01 19.2837114453225 2009-03-01 20.7441784725615 2009-04-01 22.5266666666667 2009-05-01 24.3531992564931 2009-06-01 24.4633529907329 2009-07-01 24.0558472473115 2009-08-01 22.7783921735432 2009-09-01 21.7000345184674 2009-10-01 20.4649813085707 2009-11-01 19.5354589502931 2009-12-01 19.1216347085028 2010-01-01 18.1415999115198 2010-02-01 18.2962259808998 2010-03-01 16.1362604531275 2010-04-01 17.7721845360508 2010-05-01 17.2378830939396 2010-06-01 16.8683987356410 2010-07-01 16.6626290767041 2010-08-01 15.9554079557591 2010-09-01 16.8792198049512 2010-10-01 14.7765486389020 2010-11-01 14.9488544595322 2010-12-01 14.8880419247261 2011-01-01 14.6142012792486 2011-02-01 14.6289801251633 2011-03-01 13.4541733664669 2011-04-01 14.6600259852750 2011-05-01 15.3701737377468 2011-06-01 16.5195480013773 2011-07-01 16.2677528107028 2011-08-01 15.2349663901169 2011-09-01 15.1802452441685 2011-10-01 15.6393758547806 2011-11-01 15.5459336189097 2011-12-01 15.1136314194138 2012-01-01 14.2259946050532 2012-02-01 13.5493372606775 2012-03-01 13.8273104699119 2012-04-01 14.1310293354648 2012-05-01 14.4801269705189 2012-06-01 14.1895627532802 2012-07-01 14.4994474620589 2012-08-01 14.1806692118411 2012-09-01 14.5783902476927 2012-10-01 13.7687412032067 2012-11-01 15.1621057514955 2012-12-01 15.0726609848241 2013-01-01 14.3934063630708 2013-02-01 13.7855573066641 2013-03-01 14.0335451352725 2013-04-01 14.9694665545970 2013-05-01 14.4367246699537 2013-06-01 13.9030293254511 2013-07-01 13.8011971382021 2013-08-01 12.6755470698330 2013-09-01 12.0616383051500 2013-10-01 12.3667247115676 2013-11-01 14.7647200773877 2013-12-01 16.3832416225396 2014-01-01 15.3514148318191 2014-02-01 14.7649507762256 2014-03-01 13.7450207888952 2014-04-01 14.7044756068472 2014-05-01 14.4601107160267 2014-06-01 14.3029104786014 2014-07-01 14.5714292180607 2014-08-01 14.4031292332618 2014-09-01 13.3068761140583 2014-10-01 12.8262111625588 2014-11-01 13.5513518592646 2014-12-01 14.3311301678708 2015-01-01 13.5423658323230 2015-02-01 12.1527014952190 2015-03-01 12.2731769863238 2015-04-01 13.7435478576569 2015-05-01 15.0376092128889 2015-06-01 14.7258886712996 2015-07-01 14.3304785343454 2015-08-01 13.7047623533070 2015-09-01 13.9760164825902 2015-10-01 14.1419872043684 2015-11-01 14.3402156486203 2015-12-01 13.9087523550731 2016-01-01 12.5233263569723 2016-02-01 12.8022222631274 2016-03-01 13.9185624195274 2016-04-01 15.7691345681642 2016-05-01 15.9984356742787 2016-06-01 16.0132184048980 2016-07-01 15.5838833312656 2016-08-01 14.6305048855721 2016-09-01 13.3407071039984 2016-10-01 12.7928400625889 2016-11-01 14.3278313109802 2016-12-01 14.9187990812703 2017-01-01 15.4268663721750 2017-02-01 14.2752619565021 2017-03-01 14.3075703299997 2017-04-01 15.6531697385032 2017-05-01 15.7357198270954 2017-06-01 15.5559945335554 2017-07-01 15.9882513671157 2017-08-01 16.1454755423607 2017-09-01 16.0975896825185 2017-10-01 16.3685511345031 2017-11-01 16.6335830184777 2017-12-01 16.5751057211554 2018-01-01 14.6600907872201 2018-02-01 14.0065687466289 2018-03-01 14.4643309904535 2018-04-01 15.5595679582831 2018-05-01 16.7597395636029 2018-06-01 16.2458291258585 2018-07-01 18.4475607101592 2018-08-01 18.7229120610186