Quarter	Percent
2005-01-01	26.6582438408086
2005-04-01	25.0848683739559
2005-07-01	24.0229734041555
2005-10-01	25.6804930994117
2006-01-01	27.4000938207580
2006-04-01	25.6667989903454
2006-07-01	24.9949987139550
2006-10-01	25.9098074521121
2007-01-01	27.5048112250254
2007-04-01	25.3905077395226
2007-07-01	25.4671321597662
2007-10-01	27.1866134705598
2008-01-01	28.7020337516227
2008-04-01	26.7529015681758
2008-07-01	26.8013783366301
2008-10-01	27.5366106053162
2009-01-01	27.1855324663624
2009-04-01	24.9957102586101
2009-07-01	24.8844953173777
2009-10-01	26.0783033136257
2010-01-01	30.7503577310403
2010-04-01	29.7758837732423
2010-07-01	30.8185631918660
2010-10-01	30.7834825041411
2011-01-01	33.1427504371297
2011-04-01	30.7807152457358
2011-07-01	31.5202901426001
2011-10-01	31.3065001780350
2012-01-01	32.5926332095025
2012-04-01	30.8563363049867
2012-07-01	30.5049712960426
2012-10-01	30.3885219680890
2013-01-01	32.1929414204018
2013-04-01	29.6998061405792
2013-07-01	29.7049192099066
2013-10-01	30.1736242391126
2014-01-01	31.6282492639967
2014-04-01	29.3158596085107
2014-07-01	29.3551709743203
2014-10-01	30.0170629276429
2015-01-01	32.3356129963042
2015-04-01	29.6201805156498
2015-07-01	29.5607562056996
2015-10-01	29.2794335883738
2016-01-01	30.8217461618516
2016-04-01	28.1376271665487
2016-07-01	28.5038547683056
2016-10-01	29.1879602341024
2017-01-01	30.1650469066807
2017-04-01	27.8473585266487
2017-07-01	27.4828372786285
2017-10-01	27.7707483269445
2018-01-01	29.4815988155774
2018-04-01	27.3616503468201
2018-07-01	26.4507049897746