Month Percent 1995-01-01 58.9480648362554 1995-02-01 59.3403868408001 1995-03-01 59.5605847856612 1995-04-01 58.5871090203846 1995-05-01 58.2769991755977 1995-06-01 58.4054031793098 1995-07-01 58.1138907175774 1995-08-01 57.9695848746404 1995-09-01 57.4490801576872 1995-10-01 58.1322829476448 1995-11-01 57.7437074690498 1995-12-01 57.1709394708821 1996-01-01 56.8739770867430 1996-02-01 57.6787903555374 1996-03-01 57.8986039676708 1996-04-01 57.4946990702985 1996-05-01 57.6221498371336 1996-06-01 58.7359687652513 1996-07-01 58.7475633528265 1996-08-01 58.3644329060522 1996-09-01 58.3569634610710 1996-10-01 58.9544387796391 1996-11-01 59.4131436423895 1996-12-01 59.2425098925947 1997-01-01 58.2741935483871 1997-02-01 59.5263030693628 1997-03-01 59.5349211457998 1997-04-01 59.4041117892708 1997-05-01 60.2116911234063 1997-06-01 60.7074263764405 1997-07-01 59.7954618088847 1997-08-01 60.3525283139257 1997-09-01 60.2705929168325 1997-10-01 60.3225037731353 1997-11-01 59.6638655462185 1997-12-01 58.4236765054997 1998-01-01 58.1274176995342 1998-02-01 58.3681184531779 1998-03-01 58.1185161898774 1998-04-01 57.3131519096542 1998-05-01 58.2048673605134 1998-06-01 59.0355805243446 1998-07-01 59.2183120523202 1998-08-01 59.9518334369173 1998-09-01 60.3036876355748 1998-10-01 59.7665610265131 1998-11-01 59.4709239549591 1998-12-01 58.7809758350008 1999-01-01 59.2464702271332 1999-02-01 58.8122751970613 1999-03-01 59.0364205543254 1999-04-01 60.4036557501904 1999-05-01 60.3479714329130 1999-06-01 61.1165820771154 1999-07-01 60.1602055467392 1999-08-01 61.3036925395629 1999-09-01 61.4840989399293 1999-10-01 61.5840396009900 1999-11-01 60.8516689118395 1999-12-01 60.2852236242813 2000-01-01 60.0521221146686 2000-02-01 60.1960493093718 2000-03-01 60.1970516334543 2000-04-01 60.5897132722435 2000-05-01 61.1389420951820 2000-06-01 61.7035349452488 2000-07-01 60.0982332673558 2000-08-01 61.2714651077822 2000-09-01 61.1224489795918 2000-10-01 60.4463506833382 2000-11-01 60.5539844826336 2000-12-01 60.9315108121791 2001-01-01 59.5289541918755 2001-02-01 59.8261744002298 2001-03-01 61.1986252327080 2001-04-01 60.7387335995436 2001-05-01 61.3258490834162 2001-06-01 61.7905166312810 2001-07-01 60.8453680873547 2001-08-01 61.7991719879307 2001-09-01 61.4970645792564 2001-10-01 61.0105790645880 2001-11-01 60.4227304227304 2001-12-01 61.0045536083897 2002-01-01 61.7556362639622 2002-02-01 62.0804911323329 2002-03-01 62.2284084736556 2002-04-01 62.9287064542263 2002-05-01 63.5080645161290 2002-06-01 63.5068236553385 2002-07-01 62.6122829196886 2002-08-01 62.9646809356570 2002-09-01 64.0625000000000 2002-10-01 63.8279711096520 2002-11-01 64.5562168879586 2002-12-01 64.0083398488402 2003-01-01 64.1462940146553 2003-02-01 64.6294980295885 2003-03-01 64.2852545536461 2003-04-01 65.4260089686099 2003-05-01 65.2562384325739 2003-06-01 65.6291685193419 2003-07-01 64.6120744209594 2003-08-01 65.6766300920671 2003-09-01 66.5620291310899 2003-10-01 66.7542542542542 2003-11-01 65.9455078246774 2003-12-01 65.6183965195774 2004-01-01 65.0470413468680 2004-02-01 66.1200838367649 2004-03-01 65.4236038582048 2004-04-01 65.6031843233313 2004-05-01 66.1988161347410 2004-06-01 66.4884243786838 2004-07-01 65.0154423787319 2004-08-01 65.5550865344027 2004-09-01 66.0515717978001 2004-10-01 66.5288761083154 2004-11-01 66.8239087597779 2004-12-01 66.2718723961433 2005-01-01 66.5342660659236 2005-02-01 66.2021728861596 2005-03-01 66.1624484991171 2005-04-01 66.5864820464680 2005-05-01 67.1711564307836 2005-06-01 66.9967381174278 2005-07-01 66.6279609846726 2005-08-01 66.9519458740531 2005-09-01 67.4218840078404 2005-10-01 67.2816091954023 2005-11-01 66.5157852518192 2005-12-01 65.6707038391225 2006-01-01 64.9980089879970 2006-02-01 64.9461145774248 2006-03-01 65.7448252460129 2006-04-01 65.5407691440172 2006-05-01 66.4606741573034 2006-06-01 66.3473925950820 2006-07-01 66.3129677203172 2006-08-01 66.5498247371056 2006-09-01 66.6444777278527 2006-10-01 66.9008241606284 2006-11-01 66.8652106772557 2006-12-01 66.7399912010559 2007-01-01 65.9272647606529 2007-02-01 66.1914905237861 2007-03-01 66.5214312945918 2007-04-01 67.1333984586997 2007-05-01 67.2384869311110 2007-06-01 67.2944096697604 2007-07-01 66.6039359070868 2007-08-01 67.2707774798928 2007-09-01 67.2192513368984 2007-10-01 67.8470481574316 2007-11-01 67.1666400723366 2007-12-01 67.3545170017506 2008-01-01 66.7089410272670 2008-02-01 66.4909876673342 2008-03-01 67.0504126583609 2008-04-01 66.4606035205365 2008-05-01 66.9800971634540 2008-06-01 67.0310791816336 2008-07-01 66.2756293797041 2008-08-01 66.1801242236025 2008-09-01 67.5314627604704 2008-10-01 67.9164737951962 2008-11-01 66.7196635552364 2008-12-01 66.5251636661211 2009-01-01 66.6683657865226 2009-02-01 66.0148313693620 2009-03-01 66.7831459536108 2009-04-01 67.2540900828116 2009-05-01 67.3244399697961 2009-06-01 67.6211011934610 2009-07-01 67.7098435234715 2009-08-01 67.9924242424242 2009-09-01 67.4975173783515 2009-10-01 67.5378675378675 2009-11-01 67.3526798933965 2009-12-01 67.3916252521773 2010-01-01 66.1110838766606 2010-02-01 66.6471306471306 2010-03-01 67.0756646216769 2010-04-01 67.5452647929712 2010-05-01 68.0522622792161 2010-06-01 67.8621354543264 2010-07-01 68.0380659425166 2010-08-01 68.2725923087975 2010-09-01 69.5959499474639 2010-10-01 68.9765204553031 2010-11-01 68.9830427967511 2010-12-01 68.4180603591226 2011-01-01 67.0996079913097 2011-02-01 67.2050098879367 2011-03-01 68.1651634723788 2011-04-01 68.9333583278658 2011-05-01 68.5017291335639 2011-06-01 68.2924554695514 2011-07-01 67.8051277278861 2011-08-01 68.3531377645748 2011-09-01 68.4844553583839 2011-10-01 68.1883354146432 2011-11-01 67.5024241584707 2011-12-01 68.5246657445828 2012-01-01 67.4949383397754 2012-02-01 67.5884244372990 2012-03-01 68.0150431113557 2012-04-01 68.5248752803332 2012-05-01 68.5492346355952 2012-06-01 68.3679985404123 2012-07-01 67.6830655804851 2012-08-01 68.8033799745593 2012-09-01 69.3950662071468 2012-10-01 69.8863893540941 2012-11-01 68.9513396286089 2012-12-01 69.1197691197691 2013-01-01 68.8703004137435 2013-02-01 68.7211024823810 2013-03-01 68.8785339844975 2013-04-01 69.7519553072626 2013-05-01 70.3166815343444 2013-06-01 70.0169144485000 2013-07-01 69.4418542693486 2013-08-01 69.9375083100652 2013-09-01 69.6113542910200 2013-10-01 69.7074010327022 2013-11-01 69.1101321585903 2013-12-01 68.4636355641544 2014-01-01 68.1365451274626 2014-02-01 69.0245718540581 2014-03-01 69.5448782407205 2014-04-01 70.2285415212840 2014-05-01 70.5915640099247 2014-06-01 71.1512572197855 2014-07-01 70.3393871093581 2014-08-01 69.5798901051356 2014-09-01 69.8955365622032 2014-10-01 70.1870044812134 2014-11-01 68.9677419354839 2014-12-01 68.3053539993989 2015-01-01 68.5588210093394 2015-02-01 69.8798785961612 2015-03-01 69.7149440983187 2015-04-01 70.6576369367067 2015-05-01 71.5123942344487 2015-06-01 71.9290804207669 2015-07-01 71.7007493966722 2015-08-01 71.4237417064616 2015-09-01 71.6068642745710 2015-10-01 70.4726232060940 2015-11-01 70.4322984497752 2015-12-01 70.7443908576221 2016-01-01 70.4983889191112 2016-02-01 71.2394554414098 2016-03-01 70.7253022092539 2016-04-01 71.4648356221390 2016-05-01 71.8817472180701 2016-06-01 71.5813471502591 2016-07-01 70.9066081847147 2016-08-01 71.5459575522339 2016-09-01 72.1906175282381 2016-10-01 72.3235233587158 2016-11-01 71.2542122133640 2016-12-01 71.2679524004924 2017-01-01 71.0418543697272 2017-02-01 71.3736555841819 2017-03-01 70.8848870921638 2017-04-01 70.8549064372783 2017-05-01 71.3727723980796 2017-06-01 70.7206109350881 2017-07-01 70.0243309002433 2017-08-01 71.1360233113440 2017-09-01 71.5238210692205 2017-10-01 71.4596949891068 2017-11-01 71.0930260666371 2017-12-01 71.0648055030371 2018-01-01 69.7551184263348 2018-02-01 70.1210711994868 2018-03-01 71.0848678943154 2018-04-01 70.8679667519182 2018-05-01 71.7021785970792 2018-06-01 72.3455117733774 2018-07-01 71.6609657147403 2018-08-01 71.8462027327614 2018-09-01 72.3370492323561 2018-10-01 71.9690966719493