Quarter	Percent
2005-01-01	57.5336435058676
2005-04-01	57.5794557087815
2005-07-01	58.2754323764404
2005-10-01	57.5513981136960
2006-01-01	56.6361670143576
2006-04-01	56.1423246641005
2006-07-01	57.4501212093491
2006-10-01	56.4277336280579
2007-01-01	55.7831058032889
2007-04-01	56.4457528985613
2007-07-01	56.1376436583606
2007-10-01	54.2005253370189
2008-01-01	53.5406520648238
2008-04-01	53.4207856341190
2008-07-01	54.1091749453553
2008-10-01	52.5437848486636
2009-01-01	52.7880357799114
2009-04-01	52.8468544574276
2009-07-01	53.1481520868338
2009-10-01	51.7962873142555
2010-01-01	49.2856728798107
2010-04-01	48.8837050224066
2010-07-01	47.8326347844166
2010-10-01	46.8593542988634
2011-01-01	46.9337743967553
2011-04-01	46.0271613323538
2011-07-01	45.9542632596699
2011-10-01	45.3140965663646
2012-01-01	45.3431048486108
2012-04-01	45.6955813635670
2012-07-01	45.1859694663785
2012-10-01	45.1774397118406
2013-01-01	45.0196610475814
2013-04-01	45.0696750473692
2013-07-01	45.8570274028317
2013-10-01	44.5243604125472
2014-01-01	44.3693059982629
2014-04-01	44.8489642593898
2014-07-01	44.2394637167357
2014-10-01	43.9188247149456
2015-01-01	44.7912905220939
2015-04-01	44.4423242761180
2015-07-01	43.9593942875512
2015-10-01	43.5168749536625
2016-01-01	44.5529362627194
2016-04-01	43.9313818279495
2016-07-01	43.8293757465253
2016-10-01	43.1884119457855
2017-01-01	43.8917883365600
2017-04-01	43.1812717920029
2017-07-01	42.6767227785103
2017-10-01	41.9571968785466
2018-01-01	41.9031275934687
2018-04-01	42.2489537370959
2018-07-01	42.8313453421656