Quarter Ratio 2005-01-01 87.5260433555291 2005-04-01 88.9540863889957 2005-07-01 90.0284087359419 2005-10-01 91.0107132696625 2006-01-01 91.8489719027989 2006-04-01 93.3216539319355 2006-07-01 94.9636617843278 2006-10-01 95.7983118601316 2007-01-01 95.9722837273656 2007-04-01 96.7777500892021 2007-07-01 97.5010424048580 2007-10-01 98.1463678378354 2008-01-01 99.1870781122334 2008-04-01 97.7349653081144 2008-07-01 98.5023293498349 2008-10-01 98.4668331139855 2009-01-01 98.4067309765942 2009-04-01 98.5436476498556 2009-07-01 98.2848059443227 2009-10-01 96.9785558120266 2010-01-01 95.3360666049863 2010-04-01 93.6635546659861 2010-07-01 92.3316504689308 2010-10-01 91.0250667620560 2011-01-01 90.6870229107823 2011-04-01 88.8889320083415 2011-07-01 87.7175481506402 2011-10-01 86.7283586159082 2012-01-01 85.6091497876001 2012-04-01 84.9819487240052 2012-07-01 84.2837509167062 2012-10-01 84.4696171788900 2013-01-01 83.2591309695443 2013-04-01 83.0199265611854 2013-07-01 82.6921740476107 2013-10-01 81.8632569814578 2014-01-01 81.6843361231527 2014-04-01 81.4181501954113 2014-07-01 80.8085055012317 2014-10-01 80.7593059026491 2015-01-01 80.2668498613304 2015-04-01 80.0768674561432 2015-07-01 79.8724633475990 2015-10-01 80.2893378190004 2016-01-01 80.0591894090079 2016-04-01 80.2312943900514 2016-07-01 80.0768620295459 2016-10-01 80.1044768829066