Quarter	Percent
2005-01-01	15.3650793650794
2005-04-01	18.9572921399364
2005-07-01	19.8027703357465
2005-10-01	15.1666473115782
2006-01-01	15.4359983429992
2006-04-01	19.1254506794860
2006-07-01	17.2627684271619
2006-10-01	13.8662705399061
2007-01-01	14.6198630136986
2007-04-01	16.2290608793075
2007-07-01	17.3478493664109
2007-10-01	16.2521254959491
2008-01-01	17.1785399632131
2008-04-01	18.7923845883358
2008-07-01	17.5405763497847
2008-10-01	17.7550265995918
2009-01-01	19.2837114453225
2009-04-01	24.3531992564931
2009-07-01	22.7783921735432
2009-10-01	19.5354589502931
2010-01-01	18.2962259808998
2010-04-01	17.2378830939396
2010-07-01	15.9554079557591
2010-10-01	14.9488544595322
2011-01-01	14.6289801251633
2011-04-01	15.3701737377468
2011-07-01	15.2349663901169
2011-10-01	15.5459336189097
2012-01-01	13.5493372606775
2012-04-01	14.4801269705189
2012-07-01	14.1806692118411
2012-10-01	15.1621057514955
2013-01-01	13.7855573066641
2013-04-01	14.4367246699537
2013-07-01	12.6755470698330
2013-10-01	14.7647200773877
2014-01-01	14.7649507762256
2014-04-01	14.4601107160267
2014-07-01	14.4031292332618
2014-10-01	13.5513518592646
2015-01-01	12.1527014952190
2015-04-01	15.0376092128889
2015-07-01	13.7047623533070
2015-10-01	14.3402156486203
2016-01-01	12.8022222631274
2016-04-01	15.9984356742787
2016-07-01	14.6305048855721
2016-10-01	14.3278313109802
2017-01-01	14.2752619565021
2017-04-01	15.7357198270954
2017-07-01	16.1454755423607
2017-10-01	16.6335830184777
2018-01-01	14.0065687466289
2018-04-01	16.7597395636029
2018-07-01	18.7229120610186