Quarter	Percent
1998-04-01	5.97609561752988
1998-10-01	6.79012345679012
1999-04-01	9.93914807302231
1999-10-01	6.87500000000000
2000-04-01	7.99136069114471
2000-10-01	8.15109343936382
2002-01-01	8.05860805860806
2002-04-01	7.16612377850163
2002-07-01	6.16666666666667
2002-10-01	9.20436817472699
2003-01-01	3.71024734982332
2003-04-01	9.65630114566285
2003-07-01	6.02941176470588
2003-10-01	11.11111111111110
2004-01-01	8.32095096582466
2004-04-01	12.51840942562590
2004-07-01	10.14925373134330
2004-10-01	9.69609261939218
2005-01-01	11.44927536231880
2005-04-01	3.81679389312977
2005-07-01	6.20689655172414
2005-10-01	7.12328767123288
2006-01-01	6.36856368563686
2006-04-01	3.60110803324100
2006-07-01	6.68348045397226
2006-10-01	4.09276944065484
2007-01-01	4.44162436548223
2007-04-01	4.18250950570342
2007-07-01	3.08880308880309
2007-10-01	4.71337579617834
2008-01-01	6.08272506082725
2008-04-01	3.72596153846154
2008-07-01	3.32922318125771
2008-10-01	6.52431791221827
2009-01-01	8.00000000000000
2009-04-01	12.00000000000000
2009-07-01	11.40000000000000
2009-10-01	12.30000000000000
2010-01-01	13.00000000000000
2010-04-01	12.50000000000000
2010-07-01	15.00000000000000
2010-10-01	11.40000000000000
2011-01-01	13.90000000000000
2011-04-01	13.10000000000000
2011-07-01	12.40000000000000
2011-10-01	12.50000000000000
2012-01-01	16.00000000000000
2012-04-01	15.10000000000000
2012-07-01	12.80000000000000
2012-10-01	11.20000000000000
2013-01-01	8.20000000000000
2013-04-01	11.90000000000000
2013-07-01	9.20000000000000
2013-10-01	10.10000000000000
2014-01-01	9.50000000000000
2014-04-01	8.40000000000000
2014-07-01	9.00000000000000
2014-10-01	7.20000000000000
2015-01-01	9.30000000000000
2015-04-01	6.50000000000000
2015-07-01	7.10000000000000
2015-10-01	6.40000000000000
2016-01-01	9.80000000000000
2016-04-01	7.10000000000000
2016-07-01	5.00000000000000
2016-10-01	6.50000000000000
2017-01-01	6.80000000000000
2017-04-01	7.90000000000000
2017-07-01	7.10000000000000
2017-10-01	6.60000000000000
2018-01-01	8.10000000000000
2018-04-01	8.20000000000000