Month Percent 1995-01-01 32.8120303868835 1995-02-01 32.8652936120862 1995-03-01 32.4215840436978 1995-04-01 33.0749674458982 1995-05-01 31.8122232429475 1995-06-01 31.0498798634672 1995-07-01 30.6434664359006 1995-08-01 30.7670144676998 1995-09-01 32.3843892007485 1995-10-01 32.4393450705672 1995-11-01 32.9344635783338 1995-12-01 33.1750833119713 1996-01-01 33.4561495082236 1996-02-01 33.0773478403141 1996-03-01 32.9658653207597 1996-04-01 33.1652392278560 1996-05-01 31.9023534690215 1996-06-01 30.8837313554487 1996-07-01 30.4647825688727 1996-08-01 30.5706383584487 1996-09-01 31.9284879882168 1996-10-01 32.1884230078256 1996-11-01 32.4776876267748 1996-12-01 32.8408123555880 1997-01-01 33.1281386683946 1997-02-01 32.9330473666107 1997-03-01 32.6800226418146 1997-04-01 32.4815233633537 1997-05-01 31.3464603466016 1997-06-01 30.2771060056429 1997-07-01 30.2546391856379 1997-08-01 29.9931586784176 1997-09-01 31.7717651315657 1997-10-01 31.7337725597324 1997-11-01 31.8275792854275 1997-12-01 32.4644193253964 1998-01-01 32.5903505782838 1998-02-01 32.1737214728473 1998-03-01 31.9511292114032 1998-04-01 31.8202269659551 1998-05-01 30.6375071183799 1998-06-01 29.9859263177857 1998-07-01 29.6070217434670 1998-08-01 29.4567925844712 1998-09-01 30.6596164187130 1998-10-01 30.8042866098170 1998-11-01 30.8317176236639 1998-12-01 30.9580820475116 1999-01-01 31.4015704259607 1999-02-01 31.3214657608965 1999-03-01 31.2526627629324 1999-04-01 30.6791522722548 1999-05-01 29.4811064191695 1999-06-01 29.1425071861078 1999-07-01 28.6570080729526 1999-08-01 28.6524165401376 1999-09-01 30.3082242383049 1999-10-01 30.5366650591975 1999-11-01 30.7324699843653 1999-12-01 30.8980871068843 2000-01-01 31.3502424468482 2000-02-01 30.7125837165746 2000-03-01 30.5491060494734 2000-04-01 30.5599326632281 2000-05-01 29.2079256312255 2000-06-01 28.6741011268871 2000-07-01 28.3188948723952 2000-08-01 27.9838238160203 2000-09-01 29.4951422285392 2000-10-01 29.3462615731736 2000-11-01 29.5438426038377 2000-12-01 29.8130496398827 2001-01-01 30.2679912769566 2001-02-01 30.3022967582013 2001-03-01 29.9880063450304 2001-04-01 29.7323662072496 2001-05-01 28.5564066449285 2001-06-01 28.3060319907497 2001-07-01 28.0128945342571 2001-08-01 27.8919542439681 2001-09-01 29.5033322449920 2001-10-01 29.6101229877780 2001-11-01 29.3773181648281 2001-12-01 29.4462372284092 2002-01-01 29.6704347659762 2002-02-01 29.7124295404605 2002-03-01 29.3198713605436 2002-04-01 28.9969697547217 2002-05-01 27.5755729840859 2002-06-01 26.9907213750618 2002-07-01 26.5526048441461 2002-08-01 25.9783505839271 2002-09-01 27.5491441245048 2002-10-01 27.5156979552407 2002-11-01 27.4716331185116 2002-12-01 27.5192918747163 2003-01-01 28.1189466025381 2003-02-01 27.8595033519026 2003-03-01 27.7202879000840 2003-04-01 27.6538207858287 2003-05-01 26.2247241781828 2003-06-01 25.7526467214502 2003-07-01 25.5492621711237 2003-08-01 25.1020580534362 2003-09-01 26.7198470205566 2003-10-01 26.7896609852032 2003-11-01 26.7614199898946 2003-12-01 26.6875467464473 2004-01-01 27.5380864756816 2004-02-01 27.4459488461933 2004-03-01 27.4176408076514 2004-04-01 27.2237949787678 2004-05-01 25.7458347674819 2004-06-01 25.1927686219134 2004-07-01 25.4095089604737 2004-08-01 25.3260537073257 2004-09-01 26.9692367529124 2004-10-01 26.9655644579316 2004-11-01 26.7907819447397 2004-12-01 27.1389645776567 2005-01-01 27.7582961131003 2005-02-01 27.5345218561605 2005-03-01 27.7968598922602 2005-04-01 27.6917699220870 2005-05-01 26.2878927062282 2005-06-01 25.9590593373522 2005-07-01 26.1488406195582 2005-08-01 25.6809943982719 2005-09-01 27.3578521918835 2005-10-01 27.1175755803861 2005-11-01 27.4143785599533 2005-12-01 27.4462767704039 2006-01-01 27.8112385759975 2006-02-01 27.9112114645738 2006-03-01 27.7393708952644 2006-04-01 27.3921064349912 2006-05-01 25.7304421228432 2006-06-01 25.4159677199982 2006-07-01 25.1967862027736 2006-08-01 25.2723094738366 2006-09-01 26.9300988774606 2006-10-01 26.8493101206386 2006-11-01 26.9083297998069 2006-12-01 26.7590906632534 2007-01-01 26.9882295728605 2007-02-01 26.7683585313175 2007-03-01 26.2853597568651 2007-04-01 26.4773778620126 2007-05-01 25.2079799693078 2007-06-01 24.8065629622988 2007-07-01 24.7915752523036 2007-08-01 24.3849415806330 2007-09-01 25.8969591876866 2007-10-01 25.9336655414456 2007-11-01 26.0464535241681 2007-12-01 26.4653957950675 2008-01-01 26.8855233853007 2008-02-01 26.4530717255255 2008-03-01 26.4622691856121 2008-04-01 26.4098303849879 2008-05-01 24.9032452776594 2008-06-01 24.7832331506995 2008-07-01 25.0690803457560 2008-08-01 24.6763818473000 2008-09-01 26.1269223970302 2008-10-01 25.8616883174227 2008-11-01 26.1740051177976 2008-12-01 26.1605607723846 2009-01-01 26.7929515418502 2009-02-01 26.5590337687947 2009-03-01 26.3279181655863 2009-04-01 26.2256474248003 2009-05-01 24.8571152647428 2009-06-01 24.5639726063433 2009-07-01 24.8775830201736 2009-08-01 24.3674901765164 2009-09-01 26.1185418305796 2009-10-01 26.3759204101776 2009-11-01 25.8156585493585 2009-12-01 26.4440102576627 2010-01-01 26.4668195012247 2010-02-01 26.4310849418159 2010-03-01 26.3828935459166 2010-04-01 26.0753880266075 2010-05-01 24.9005299278951 2010-06-01 24.3140997830803 2010-07-01 24.7384434023594 2010-08-01 24.1345571045112 2010-09-01 26.1180664307530 2010-10-01 26.0831222278901 2010-11-01 26.4535863338259 2010-12-01 26.8355873361314 2011-01-01 26.5775253353590 2011-02-01 26.4337667492084 2011-03-01 26.5932492799117 2011-04-01 26.3002292747677 2011-05-01 25.0355324702173 2011-06-01 24.6586428362347 2011-07-01 25.0967808537362 2011-08-01 24.3978958587612 2011-09-01 26.2023587620365 2011-10-01 26.4075619430279 2011-11-01 26.3037303378500 2011-12-01 26.7262527662932 2012-01-01 26.8115755627010 2012-02-01 26.8786696952814 2012-03-01 26.6639822485714 2012-04-01 26.0085271052361 2012-05-01 24.8449171322718 2012-06-01 24.7289486284972 2012-07-01 25.0777511961722 2012-08-01 24.2031906535032 2012-09-01 25.7490908470062 2012-10-01 25.7594115840131 2012-11-01 25.7963548907064 2012-12-01 25.8682716407222 2013-01-01 26.1009987387940 2013-02-01 25.7332458748264 2013-03-01 25.8031008675958 2013-04-01 25.7314717918613 2013-05-01 24.5723225521205 2013-06-01 24.2093635822925 2013-07-01 24.4423689237954 2013-08-01 23.9467698679431 2013-09-01 25.5846700654016 2013-10-01 25.7934320866225 2013-11-01 26.0139172592662 2013-12-01 26.0874722518767 2014-01-01 26.6046653453270 2014-02-01 26.3245243397489 2014-03-01 26.3825645366060 2014-04-01 26.1404295272494 2014-05-01 24.8072370645925 2014-06-01 24.3952515736555 2014-07-01 24.8475686996470 2014-08-01 24.7317456163308 2014-09-01 26.2598215868140 2014-10-01 26.1537682590314 2014-11-01 26.0732365845427 2014-12-01 26.6027344112413 2015-01-01 26.9348827011620 2015-02-01 26.6626197221098 2015-03-01 26.3267456070119 2015-04-01 26.2613413308846 2015-05-01 24.9557864950902 2015-06-01 24.7475002524997 2015-07-01 25.1495293296207 2015-08-01 24.5492465016146 2015-09-01 26.0385669373413 2015-10-01 26.1044919085150 2015-11-01 26.1227438035965 2015-12-01 26.2921876705772 2016-01-01 26.5817577324781 2016-02-01 26.4851755188359 2016-03-01 26.1408909055835 2016-04-01 25.8472941926179 2016-05-01 24.6723427077398 2016-06-01 24.5324108586218 2016-07-01 24.9506193505189 2016-08-01 24.4530524484008 2016-09-01 25.8251501413587 2016-10-01 25.6770092832650 2016-11-01 25.9391202542231 2016-12-01 25.7233167207412 2017-01-01 25.8404608425928 2017-02-01 25.8639854908942 2017-03-01 25.7471974873448 2017-04-01 25.7004274360516 2017-05-01 24.2090244635050 2017-06-01 23.6819281127512 2017-07-01 24.1002517128140 2017-08-01 23.9234928066244 2017-09-01 25.2943821721823 2017-10-01 25.0514047866805 2017-11-01 25.2671349156153 2017-12-01 25.1740689288002 2018-01-01 26.0229785677469 2018-02-01 25.8890883105660 2018-03-01 25.7068362796954 2018-04-01 25.5276081762676 2018-05-01 24.2815103411116 2018-06-01 23.7378548294913 2018-07-01 23.9421700307025 2018-08-01 23.2535252036555 2018-09-01 24.9249845009299 2018-10-01 24.9714993804213