Month Percent 1995-01-01 20.0457988374141 1995-02-01 20.0995921071702 1995-03-01 19.3798609961939 1995-04-01 19.7330219967558 1995-05-01 17.6939190374475 1995-06-01 16.6092819000887 1995-07-01 15.0713711919916 1995-08-01 15.8426943175740 1995-09-01 18.9204189235023 1995-10-01 18.9271889022374 1995-11-01 19.7654735157428 1995-12-01 19.8267643893188 1996-01-01 20.2649033737308 1996-02-01 20.2184451125974 1996-03-01 20.0551752324512 1996-04-01 19.9652901842683 1996-05-01 18.2034181758851 1996-06-01 17.0219052470708 1996-07-01 15.4672854395017 1996-08-01 16.1460557623086 1996-09-01 18.9915590813518 1996-10-01 19.0114685882472 1996-11-01 19.3560817319880 1996-12-01 19.8510487384740 1997-01-01 20.4551436496528 1997-02-01 20.2067507560968 1997-03-01 20.2039393235036 1997-04-01 20.0944815125117 1997-05-01 17.9529846004901 1997-06-01 16.8412781561027 1997-07-01 15.6112240584553 1997-08-01 15.8121248076904 1997-09-01 18.2599787067355 1997-10-01 18.4275751342130 1997-11-01 18.8538314233866 1997-12-01 19.6305312615835 1998-01-01 20.3827329776906 1998-02-01 20.2493675822143 1998-03-01 20.1983976344129 1998-04-01 19.8750449119725 1998-05-01 18.1645045817587 1998-06-01 16.8432899743033 1998-07-01 15.4606441852132 1998-08-01 16.0857455485925 1998-09-01 18.5528996670477 1998-10-01 18.8524834387756 1998-11-01 19.0845301070893 1998-12-01 19.5814530126457 1999-01-01 20.1538019403621 1999-02-01 19.9354461837012 1999-03-01 19.7135311050221 1999-04-01 18.8761291087700 1999-05-01 17.3624138543868 1999-06-01 16.7033205455675 1999-07-01 15.2503128294562 1999-08-01 15.8876389011919 1999-09-01 18.0898346083502 1999-10-01 18.1936954194049 1999-11-01 18.6443173008038 1999-12-01 19.0589642527992 2000-01-01 19.9102822778115 2000-02-01 19.6010331265776 2000-03-01 19.4926020757188 2000-04-01 19.0903854977108 2000-05-01 17.2898836098493 2000-06-01 16.7674407282995 2000-07-01 15.3390522875817 2000-08-01 15.7197392833205 2000-09-01 18.2134852174926 2000-10-01 18.2424377525999 2000-11-01 18.5195225140622 2000-12-01 18.8766283376691 2001-01-01 19.6360542244397 2001-02-01 19.3424382328510 2001-03-01 19.1879142187364 2001-04-01 18.8518589867078 2001-05-01 17.1636909342774 2001-06-01 16.6570594112674 2001-07-01 15.6417291862540 2001-08-01 15.8763775754672 2001-09-01 18.4744837885184 2001-10-01 18.4949650470025 2001-11-01 18.8432657584500 2001-12-01 19.0486189321778 2002-01-01 19.1829264805406 2002-02-01 19.0830318034660 2002-03-01 18.6970374245090 2002-04-01 18.5609010275208 2002-05-01 16.4837666341019 2002-06-01 16.0172791087618 2002-07-01 14.5049434694167 2002-08-01 14.8799394970694 2002-09-01 17.2793214832165 2002-10-01 17.5020526807539 2002-11-01 17.7121840814787 2002-12-01 18.0434618719138 2003-01-01 18.6591968363071 2003-02-01 18.1994373829841 2003-03-01 18.3075158852502 2003-04-01 17.9369460718041 2003-05-01 16.0585310946440 2003-06-01 15.4628068203110 2003-07-01 14.1970628703002 2003-08-01 14.6091477841265 2003-09-01 17.1021288918366 2003-10-01 17.2450160531621 2003-11-01 17.4961533081550 2003-12-01 18.1835123978494 2004-01-01 18.6507899563359 2004-02-01 18.6191437314557 2004-03-01 18.4907448706512 2004-04-01 18.0596169734778 2004-05-01 16.4301876993842 2004-06-01 15.5957099988886 2004-07-01 14.6146942627425 2004-08-01 15.0729110835936 2004-09-01 17.3840387030061 2004-10-01 17.2364173046767 2004-11-01 17.5868234773632 2004-12-01 18.1501708370555 2005-01-01 18.9758925285241 2005-02-01 18.7695899552361 2005-03-01 18.6927816497250 2005-04-01 18.6482346142203 2005-05-01 16.5610113594723 2005-06-01 16.1531774717482 2005-07-01 14.8610235176908 2005-08-01 15.2056232598476 2005-09-01 17.7414794750426 2005-10-01 17.7759148563931 2005-11-01 18.3236825813030 2005-12-01 18.7681950509461 2006-01-01 19.5368451666848 2006-02-01 19.5606371578546 2006-03-01 19.1761183195717 2006-04-01 19.1199267512170 2006-05-01 17.0214499787221 2006-06-01 16.7590791913527 2006-07-01 15.2136196052917 2006-08-01 15.5319475408652 2006-09-01 17.8014862378702 2006-10-01 18.2326067563549 2006-11-01 18.3344738168984 2006-12-01 18.8706746081730 2007-01-01 19.1410745109321 2007-02-01 19.2379223906344 2007-03-01 19.1521071627372 2007-04-01 18.6938270276088 2007-05-01 16.8789266605125 2007-06-01 16.1564153764875 2007-07-01 15.0434245950466 2007-08-01 15.6498815959966 2007-09-01 17.9606232421090 2007-10-01 17.7728014845611 2007-11-01 17.7750637402607 2007-12-01 18.2201238252194 2008-01-01 18.8543706604949 2008-02-01 18.8649201619001 2008-03-01 18.3665306775458 2008-04-01 18.1350002663778 2008-05-01 16.6116670215031 2008-06-01 15.9020024809498 2008-07-01 15.1938958866278 2008-08-01 15.5211446965811 2008-09-01 17.5038872005089 2008-10-01 17.4656415778835 2008-11-01 17.7095735767518 2008-12-01 18.6914487657422 2009-01-01 19.3384470414175 2009-02-01 19.2448812592938 2009-03-01 19.1083642501714 2009-04-01 18.7458827042837 2009-05-01 17.2180490715715 2009-06-01 16.8597822847827 2009-07-01 15.9244536284674 2009-08-01 16.5398208412065 2009-09-01 19.1811230063360 2009-10-01 19.0751041293737 2009-11-01 18.9652614769762 2009-12-01 19.5742602750477 2010-01-01 20.3376240816433 2010-02-01 20.2001288906694 2010-03-01 20.0525592161367 2010-04-01 19.2767836958979 2010-05-01 17.5633062589584 2010-06-01 17.0416583511935 2010-07-01 16.0958399431340 2010-08-01 16.2856153113363 2010-09-01 18.8474153822188 2010-10-01 19.2683243243243 2010-11-01 19.2474586819722 2010-12-01 19.4924919216879 2011-01-01 20.1122722169445 2011-02-01 20.0887423278459 2011-03-01 19.6472638790619 2011-04-01 19.0389126535118 2011-05-01 17.6540049474655 2011-06-01 17.1681842851113 2011-07-01 16.2427372498386 2011-08-01 16.5047040814572 2011-09-01 18.5591639954281 2011-10-01 18.9824278131817 2011-11-01 19.4228177549636 2011-12-01 19.7572065888813 2012-01-01 20.4582679461124 2012-02-01 20.4537856904074 2012-03-01 20.0657951099155 2012-04-01 19.2882885196504 2012-05-01 17.5087257049001 2012-06-01 17.3620549643117 2012-07-01 16.5872324433284 2012-08-01 16.7076460745142 2012-09-01 18.6542646243120 2012-10-01 18.8318279129671 2012-11-01 19.1807331628304 2012-12-01 19.5066251970517 2013-01-01 20.1110751460843 2013-02-01 20.1515667574932 2013-03-01 19.9763412309368 2013-04-01 19.3955473918737 2013-05-01 17.3778181910889 2013-06-01 17.1291971670715 2013-07-01 16.3877810776411 2013-08-01 16.4935075949689 2013-09-01 18.7249408752999 2013-10-01 18.8204293969125 2013-11-01 19.0819394452678 2013-12-01 19.5875590471192 2014-01-01 20.1763665445190 2014-02-01 20.0571902336678 2014-03-01 19.7857118695667 2014-04-01 19.6242488780710 2014-05-01 18.0142586836059 2014-06-01 17.4850794776340 2014-07-01 16.4949671366256 2014-08-01 16.7560773993286 2014-09-01 18.5767051204210 2014-10-01 18.7555338184823 2014-11-01 19.1730115768261 2014-12-01 19.5652540372880 2015-01-01 20.1708926359431 2015-02-01 19.6559306469414 2015-03-01 19.7045496656392 2015-04-01 19.2864599117756 2015-05-01 17.1244404052644 2015-06-01 16.6480249602637 2015-07-01 15.7851385538624 2015-08-01 16.0129044182510 2015-09-01 18.1276924498039 2015-10-01 18.3823714585519 2015-11-01 18.8212784169583 2015-12-01 18.9836879908706 2016-01-01 19.5430939736394 2016-02-01 19.2784119023458 2016-03-01 19.3783634260423 2016-04-01 19.0011312691164 2016-05-01 17.3001222801052 2016-06-01 17.2533590054832 2016-07-01 16.5519318115281 2016-08-01 16.4138288619790 2016-09-01 18.2514401331026 2016-10-01 18.1544583591098 2016-11-01 18.4725728520556 2016-12-01 18.9538003728068 2017-01-01 19.1260667151442 2017-02-01 19.2932761804494 2017-03-01 18.8792851476053 2017-04-01 18.9936487535366 2017-05-01 16.8893670970540 2017-06-01 16.8251956951241 2017-07-01 16.1651253853203 2017-08-01 16.2878220179514 2017-09-01 18.5554482804541 2017-10-01 18.5011397860197 2017-11-01 18.6063337879645 2017-12-01 19.0844326957447 2018-01-01 19.7519377268989 2018-02-01 19.6008269059934 2018-03-01 19.2621964876770 2018-04-01 19.1207425209248 2018-05-01 17.4922164811871 2018-06-01 16.8449529671639 2018-07-01 16.3337327988760 2018-08-01 16.6195903534853 2018-09-01 18.2672862791062 2018-10-01 18.4950883762362