Quarter	Percent
1999-04-01	5.68181818181818
2000-04-01	6.45161290322581
2001-04-01	7.52688172043011
2002-04-01	5.20833333333333
2003-01-01	10.12658227848100
2003-04-01	10.12658227848100
2003-07-01	10.12658227848100
2003-10-01	10.12658227848100
2004-01-01	11.84210526315790
2004-04-01	11.84210526315790
2004-07-01	11.84210526315790
2004-10-01	11.84210526315790
2005-01-01	11.90476190476190
2005-04-01	11.90476190476190
2005-07-01	11.90476190476190
2005-10-01	11.90476190476190
2006-01-01	17.28395061728400
2006-04-01	17.28395061728400
2006-07-01	17.28395061728400
2006-10-01	17.28395061728400
2007-01-01	13.63636363636360
2007-04-01	16.66666666666670
2007-07-01	14.10256410256410
2007-10-01	8.57142857142857
2008-01-01	13.25301204819280
2008-04-01	15.00000000000000
2008-07-01	17.33333333333330
2008-10-01	7.31707317073171
2009-01-01	33.33333333333330
2009-04-01	9.34579439252336
2009-07-01	10.57692307692310
2009-10-01	17.27272727272730
2010-01-01	19.48051948051950
2010-04-01	17.64705882352940
2010-07-01	18.07228915662650
2010-10-01	15.38461538461540
2011-01-01	4.70588235294118
2011-04-01	15.94202898550720
2011-07-01	14.11764705882350
2011-10-01	18.98734177215190
2012-01-01	30.12048192771080
2012-04-01	13.51351351351350
2012-07-01	14.89361702127660
2012-10-01	16.66666666666670
2013-01-01	30.13698630136990
2013-04-01	21.50537634408600
2013-07-01	14.43298969072160
2013-10-01	12.96296296296300
2014-01-01	23.65591397849460
2014-04-01	16.86746987951810
2014-07-01	41.37931034482760
2014-10-01	23.15789473684210
2015-01-01	19.82758620689650
2015-04-01	13.15789473684210
2015-07-01	16.31205673758870
2015-10-01	25.43859649122810
2016-01-01	13.54166666666670
2016-04-01	17.34693877551020
2016-07-01	29.90654205607480
2016-10-01	18.26086956521740
2017-01-01	23.21428571428570
2017-04-01	19.46902654867260
2017-07-01	9.67741935483871
2017-10-01	17.11711711711710
2018-01-01	15.70247933884300
2018-04-01	17.30769230769230