Month Percent 1995-01-01 41.9637240511638 1995-02-01 42.4730055561380 1995-03-01 41.8404779373231 1995-04-01 42.0735540653814 1995-05-01 36.7183408400545 1995-06-01 33.3507853403141 1995-07-01 27.5068034331170 1995-08-01 31.0352042684522 1995-09-01 41.6649236561389 1995-10-01 41.1992263056093 1995-11-01 41.8029788345963 1995-12-01 42.2413793103448 1996-01-01 43.8142983967831 1996-02-01 42.8429734808937 1996-03-01 43.1717372018995 1996-04-01 43.2371811590423 1996-05-01 37.8362877997914 1996-06-01 34.3635984572084 1996-07-01 28.8914357157741 1996-08-01 31.7502473571838 1996-09-01 41.8770496069960 1996-10-01 42.3821417421168 1996-11-01 42.2522756827048 1996-12-01 43.2069879893932 1997-01-01 44.5096918359923 1997-02-01 43.9590691876169 1997-03-01 43.9028188755646 1997-04-01 44.0991855579188 1997-05-01 39.6132510757426 1997-06-01 34.3210899860125 1997-07-01 30.3924614269442 1997-08-01 31.9068564036223 1997-09-01 43.1408035575780 1997-10-01 44.1705426356589 1997-11-01 44.2016633090552 1997-12-01 45.2625600247844 1998-01-01 45.8223667234350 1998-02-01 45.5745822158036 1998-03-01 44.8837568946853 1998-04-01 44.3379701184956 1998-05-01 38.4017300859894 1998-06-01 35.3673595389998 1998-07-01 29.7341765643478 1998-08-01 31.4613092179632 1998-09-01 40.7165956573071 1998-10-01 40.7437804565273 1998-11-01 40.7760520785279 1998-12-01 40.8574062692071 1999-01-01 42.1144202231092 1999-02-01 42.5182761617504 1999-03-01 42.5995914198161 1999-04-01 41.5093376875191 1999-05-01 35.9757340946166 1999-06-01 33.5472043996334 1999-07-01 27.8374116090960 1999-08-01 31.4834578441836 1999-09-01 40.2386392485402 1999-10-01 40.8867244965251 1999-11-01 41.2286481828780 1999-12-01 41.3775639402380 2000-01-01 42.9583523101058 2000-02-01 41.5613307715644 2000-03-01 41.1922202576408 2000-04-01 41.9867750239766 2000-05-01 35.4863106942974 2000-06-01 33.0227169697275 2000-07-01 26.8340545436248 2000-08-01 29.0531711729822 2000-09-01 37.6857429718876 2000-10-01 38.2258549794404 2000-11-01 38.5243438188740 2000-12-01 38.9892419314486 2001-01-01 40.2629211236629 2001-02-01 40.8128619932095 2001-03-01 40.5715425664555 2001-04-01 40.2320601563667 2001-05-01 35.1835273052820 2001-06-01 33.2488822652757 2001-07-01 26.7711847588807 2001-08-01 29.5003965107058 2001-09-01 38.7045657125879 2001-10-01 39.1302196714823 2001-11-01 38.0808779909037 2001-12-01 38.7283236994220 2002-01-01 40.0829302004146 2002-02-01 40.1321955310018 2002-03-01 39.5613602759980 2002-04-01 38.9523434423001 2002-05-01 32.6233459589749 2002-06-01 30.7824633834660 2002-07-01 24.1677305312776 2002-08-01 25.4367026496565 2002-09-01 36.5873988722726 2002-10-01 36.0170529720194 2002-11-01 35.8013809313942 2002-12-01 36.7511746280345 2003-01-01 37.7959303463119 2003-02-01 37.2097570513761 2003-03-01 37.2246373272115 2003-04-01 37.0064906544337 2003-05-01 31.3777127529871 2003-06-01 28.8999317938225 2003-07-01 23.4993427778589 2003-08-01 25.2566035900180 2003-09-01 35.6660348933275 2003-10-01 36.1142135677172 2003-11-01 36.1977776699500 2003-12-01 36.0166820231802 2004-01-01 38.0433202500363 2004-02-01 38.1155280104585 2004-03-01 37.6517826907261 2004-04-01 37.9767025955822 2004-05-01 31.5288777284141 2004-06-01 28.6837408961559 2004-07-01 23.2678037968584 2004-08-01 26.7119002935374 2004-09-01 36.1870884007114 2004-10-01 35.9458291312491 2004-11-01 36.2777084732751 2004-12-01 36.8168744007670 2005-01-01 38.1878262535319 2005-02-01 38.3401100215260 2005-03-01 38.8618119266055 2005-04-01 38.0650088301274 2005-05-01 31.4251668255481 2005-06-01 30.3070697452987 2005-07-01 24.8858664637626 2005-08-01 26.9459087239398 2005-09-01 36.5547015845906 2005-10-01 35.9008389818458 2005-11-01 36.1151896935537 2005-12-01 36.0121160490321 2006-01-01 37.4787213920938 2006-02-01 37.5921375921376 2006-03-01 37.1541875177037 2006-04-01 37.7529361822556 2006-05-01 30.8065579949119 2006-06-01 29.2700145902951 2006-07-01 23.7739220388395 2006-08-01 26.1906998590888 2006-09-01 36.1725092683843 2006-10-01 35.9199174793698 2006-11-01 36.5735969268247 2006-12-01 36.6240696531386 2007-01-01 37.9636125532014 2007-02-01 37.1599513882397 2007-03-01 36.7228735578495 2007-04-01 37.4603322755274 2007-05-01 31.0762917366163 2007-06-01 29.4553417509202 2007-07-01 24.3297337553528 2007-08-01 26.2149467516161 2007-09-01 34.9272735721920 2007-10-01 35.4801263001486 2007-11-01 35.2916608659335 2007-12-01 36.0448937946387 2008-01-01 37.3644201353481 2008-02-01 36.1100815418829 2008-03-01 36.6700620427817 2008-04-01 35.9181973812058 2008-05-01 30.5451518934665 2008-06-01 28.8043980412085 2008-07-01 24.7484073492752 2008-08-01 26.3043779120727 2008-09-01 35.4231974921630 2008-10-01 34.8507187615186 2008-11-01 35.7310614782408 2008-12-01 35.9694347265697 2009-01-01 38.3663138518178 2009-02-01 38.2113447117818 2009-03-01 38.0391796192403 2009-04-01 37.9895201323773 2009-05-01 31.6502802536065 2009-06-01 29.6799669406309 2009-07-01 24.8244849263525 2009-08-01 27.1589085072231 2009-09-01 37.6065633880282 2009-10-01 38.6292834890966 2009-11-01 37.2841767803984 2009-12-01 37.5045787545788 2010-01-01 38.4425216316440 2010-02-01 38.3530919577059 2010-03-01 37.9472865379336 2010-04-01 37.0414417711097 2010-05-01 31.7695473251029 2010-06-01 29.7596197788136 2010-07-01 26.4121649390383 2010-08-01 28.4032309587916 2010-09-01 38.2029646522235 2010-10-01 37.9656225778507 2010-11-01 39.1732373182626 2010-12-01 38.6721953886813 2011-01-01 39.6993166287016 2011-02-01 38.8830683733430 2011-03-01 38.3785014803006 2011-04-01 38.8104563257127 2011-05-01 31.4543302067207 2011-06-01 30.8035511040291 2011-07-01 26.2978297465763 2011-08-01 28.6636657118174 2011-09-01 37.9203781130704 2011-10-01 38.2654915500636 2011-11-01 38.0297043193896 2011-12-01 39.3351800554017 2012-01-01 40.3405221339387 2012-02-01 40.3523109052937 2012-03-01 39.5624347510326 2012-04-01 38.7104092930393 2012-05-01 33.1428052984939 2012-06-01 31.9455782312925 2012-07-01 28.1284004352557 2012-08-01 29.1653443351317 2012-09-01 38.4985039441472 2012-10-01 38.4514257219276 2012-11-01 38.7262012692656 2012-12-01 38.7596899224806 2013-01-01 39.5066207146744 2013-02-01 38.5658563134978 2013-03-01 38.1293658713599 2013-04-01 38.8331896747267 2013-05-01 33.4815352508847 2013-06-01 31.3370536727009 2013-07-01 27.4629032989971 2013-08-01 29.2088420861513 2013-09-01 38.8929252565616 2013-10-01 38.8416988416988 2013-11-01 39.6364462622131 2013-12-01 40.1682200500114 2014-01-01 40.7270907270907 2014-02-01 39.6585476895060 2014-03-01 39.6674259681093 2014-04-01 38.8189694482444 2014-05-01 31.9171268196961 2014-06-01 29.0145735300836 2014-07-01 26.2388005119766 2014-08-01 28.1066983894583 2014-09-01 36.9366068156834 2014-10-01 37.4220183486238 2014-11-01 37.7646140423382 2014-12-01 38.1674478448672 2015-01-01 39.8758049678013 2015-02-01 39.3128540505688 2015-03-01 38.9490666052086 2015-04-01 38.2802048253910 2015-05-01 32.4545202696463 2015-06-01 30.8236272878536 2015-07-01 27.0406511584886 2015-08-01 28.5053001897885 2015-09-01 37.2758029383139 2015-10-01 36.8198896052693 2015-11-01 38.5226111988114 2015-12-01 39.0322130804630 2016-01-01 40.4197887094522 2016-02-01 39.9226612001491 2016-03-01 38.8269849410229 2016-04-01 39.0133482684589 2016-05-01 33.5467289719626 2016-06-01 31.2146298115149 2016-07-01 27.6636563567451 2016-08-01 29.3933005387679 2016-09-01 38.0193191409547 2016-10-01 37.2899652679996 2016-11-01 38.1735331422934 2016-12-01 38.2105411631953 2017-01-01 39.2100555503248 2017-02-01 40.5097281763791 2017-03-01 39.8529550381751 2017-04-01 39.7378471403649 2017-05-01 32.0075489502241 2017-06-01 30.4479161750130 2017-07-01 26.9804551033897 2017-08-01 30.4666099933881 2017-09-01 39.1770597127740 2017-10-01 37.5378071833648 2017-11-01 37.8297872340426 2017-12-01 38.4535351146843 2018-01-01 40.0491981645300 2018-02-01 40.5346581499882 2018-03-01 39.7681570854034 2018-04-01 39.5780111647270 2018-05-01 32.9060031221912 2018-06-01 31.3043889519485 2018-07-01 27.5963129283857 2018-08-01 29.0676244033836 2018-09-01 38.9973066200444 2018-10-01 39.7156084656085