Quarter	Percent
2005-01-01	47.4033043503847
2005-04-01	47.2057188012175
2005-07-01	46.4425604008138
2005-10-01	46.5624977477315
2006-01-01	45.4899064860241
2006-04-01	44.3201208003020
2006-07-01	45.3180838235831
2006-10-01	43.9374446064557
2007-01-01	44.0402048546582
2007-04-01	43.1253131593990
2007-07-01	44.4076902890764
2007-10-01	42.2539474703104
2008-01-01	41.7776082140252
2008-04-01	42.3441769681197
2008-07-01	43.1428827697551
2008-10-01	41.3014960014128
2009-01-01	41.7482958848776
2009-04-01	41.5595618045372
2009-07-01	41.8718334510394
2009-10-01	41.0744542396189
2010-01-01	40.7462381616268
2010-04-01	40.4675710122727
2010-07-01	38.7718970211871
2010-10-01	37.5612451858435
2011-01-01	38.2734198275813
2011-04-01	37.5615425129955
2011-07-01	38.4066179246902
2011-10-01	37.1623558776077
2012-01-01	35.9412915851272
2012-04-01	35.2686643400734
2012-07-01	34.9331486862984
2012-10-01	33.9837094277337
2013-01-01	34.7908710599732
2013-04-01	33.9962995470859
2013-07-01	34.7112802542470
2013-10-01	33.0200033048312
2014-01-01	33.0790276325256
2014-04-01	33.1764342119562
2014-07-01	33.6864205743159
2014-10-01	33.5708954617692
2015-01-01	34.5802715651762
2015-04-01	33.9007921541770
2015-07-01	33.3673224060211
2015-10-01	32.0671820646024
2016-01-01	33.6157193781444
2016-04-01	33.6876242444993
2016-07-01	33.7841385075367
2016-10-01	33.2306555529632
2017-01-01	33.0639686345972
2017-04-01	32.7866940520458
2017-07-01	31.5852671928417
2017-10-01	30.6583648702937
2018-01-01	31.2717762407185
2018-04-01	31.7558687712589
2018-07-01	32.1817182715070