Month Percent 2005-01-01 25.2718696600546 2005-02-01 25.8740047096627 2005-03-01 25.8632257259210 2005-04-01 24.8807004115933 2005-05-01 24.7430169343248 2005-06-01 24.1854097398787 2005-07-01 23.7461194053135 2005-08-01 23.0227205110941 2005-09-01 23.0746245183612 2005-10-01 23.4294480940954 2005-11-01 24.0462345204001 2005-12-01 24.7168855461595 2006-01-01 25.1255024005755 2006-02-01 25.4337399565103 2006-03-01 25.6663535715936 2006-04-01 25.4358100850137 2006-05-01 25.0843452168100 2006-06-01 24.3910624524559 2006-07-01 24.1693011492543 2006-08-01 23.1714357615502 2006-09-01 22.5661784839447 2006-10-01 22.5481878395475 2006-11-01 23.1118997449262 2006-12-01 24.2008364529715 2007-01-01 25.0088122522678 2007-02-01 25.5396019335886 2007-03-01 25.0854226438488 2007-04-01 23.9081191787464 2007-05-01 23.1749828619769 2007-06-01 23.0052744619610 2007-07-01 23.7224597171983 2007-08-01 24.3066503182110 2007-09-01 24.5343399300328 2007-10-01 24.7959645511220 2007-11-01 26.1221438787905 2007-12-01 27.5277674138277 2008-01-01 27.8393153586353 2008-02-01 27.1211792759592 2008-03-01 26.9588545767358 2008-04-01 26.2745474553364 2008-05-01 26.3118529599076 2008-06-01 25.9214066244248 2008-07-01 26.0687796984939 2008-08-01 25.9862928167971 2008-09-01 25.3688629311918 2008-10-01 25.4739699636587 2008-11-01 25.6849738071538 2008-12-01 26.1993048349527 2009-01-01 26.5901610821940 2009-02-01 26.6022999905200 2009-03-01 26.4452608590857 2009-04-01 26.2638509243747 2009-05-01 25.8009623283652 2009-06-01 25.8166235446313 2009-07-01 25.7955126799678 2009-08-01 25.9505606151417 2009-09-01 26.0036810805658 2009-10-01 25.9838247263182 2009-11-01 26.6690874759432 2009-12-01 27.9468895638998 2010-01-01 27.9088771648125 2010-02-01 31.7554549138660 2010-03-01 31.2468197031484 2010-04-01 30.3165920769103 2010-05-01 29.9748037670910 2010-06-01 29.2954435960699 2010-07-01 29.7577652455951 2010-08-01 29.3603716798644 2010-09-01 29.1532082060236 2010-10-01 28.8268156424581 2010-11-01 30.5433925912952 2010-12-01 33.2268094039229 2011-01-01 32.9950540914209 2011-02-01 31.8440635720988 2011-03-01 30.0873346620765 2011-04-01 31.1923669895570 2011-05-01 31.1781713571709 2011-06-01 31.5584065706027 2011-07-01 31.5866084425036 2011-08-01 32.3647579533771 2011-09-01 32.2685908294285 2011-10-01 32.3458784491792 2011-11-01 32.7100173210162 2011-12-01 33.6889219373382 2012-01-01 33.6310674052762 2012-02-01 32.7171317040789 2012-03-01 31.3803831937820 2012-04-01 31.1083468839289 2012-05-01 30.7122762665554 2012-06-01 30.5801838151370 2012-07-01 30.5195938219219 2012-08-01 31.5431617246606 2012-09-01 31.1285346249421 2012-10-01 31.1546821111444 2012-11-01 31.4407706324215 2012-12-01 33.5631178140624 2013-01-01 33.8924153764068 2013-02-01 32.9719934752459 2013-03-01 31.1487060174098 2013-04-01 30.1510101572635 2013-05-01 30.3114472230603 2013-06-01 30.0857811688308 2013-07-01 30.0395796921631 2013-08-01 29.6769614991006 2013-09-01 29.7477881748812 2013-10-01 29.7110619475524 2013-11-01 31.3268528766960 2013-12-01 32.7792561188132 2014-01-01 33.6136125000051 2014-02-01 32.2660881906175 2014-03-01 30.6944702937805 2014-04-01 29.3621891329218 2014-05-01 29.0325660767908 2014-06-01 29.1784506730735 2014-07-01 29.6852484494884 2014-08-01 30.4642627794832 2014-09-01 30.3727225740443 2014-10-01 30.0649366116400 2014-11-01 30.4829142523937 2014-12-01 31.8418575908635 2015-01-01 31.7541089231545 2015-02-01 31.4230872667169 2015-03-01 29.9518021074651 2015-04-01 30.2627086881907 2015-05-01 29.8142513702446 2015-06-01 29.3068414107531 2015-07-01 28.5342589988216 2015-08-01 29.2688109038247 2015-09-01 28.3167511029705 2015-10-01 28.4245463375403 2015-11-01 28.9591757733150 2015-12-01 30.9021098332415 2016-01-01 31.0210038474384 2016-02-01 29.8574139063755 2016-03-01 28.4321867411720 2016-04-01 28.8699011844187 2016-05-01 28.4196942208196 2016-06-01 29.0925400754141 2016-07-01 28.7686762243427 2016-08-01 28.5457780570521 2016-09-01 29.0801062246074 2016-10-01 28.7762169616064 2016-11-01 30.0781088049820 2016-12-01 30.5975033590172 2017-01-01 30.4802854825568 2017-02-01 29.9846354116443 2017-03-01 30.0803432718757 2017-04-01 30.3453031186574 2017-05-01 29.9411102758682 2017-06-01 28.8425312824967 2017-07-01 28.9731879262037 2017-08-01 29.4282984734652 2017-09-01 29.0579361518816 2017-10-01 29.4573536616921 2017-11-01 29.9147432683676 2017-12-01 32.2951014235606 2018-01-01 32.8238943536615 2018-02-01 31.8835350488194 2018-03-01 30.1606616248302 2018-04-01 29.5921204495859 2018-05-01 29.1996950171296 2018-06-01 28.6447511853596 2018-07-01 28.5429658963688 2018-08-01 28.4887633971709