Quarterly Percent
1999-04-01 21.80000000000000
2000-01-01 25.80000000000000
2000-04-01 19.70000000000000
2000-07-01 24.90000000000000
2000-10-01 24.40000000000000
2001-01-01 25.50000000000000
2001-04-01 31.80000000000000
2001-07-01 22.50000000000000
2001-10-01 21.80000000000000
2002-01-01 25.40000000000000
2002-04-01 24.70000000000000
2002-07-01 25.50000000000000
2002-10-01 21.20000000000000
2003-01-01 22.80000000000000
2003-04-01 31.90000000000000
2003-07-01 31.10000000000000
2003-10-01 19.90000000000000
2004-01-01 33.80000000000000
2004-04-01 23.90000000000000
2004-10-01 24.30000000000000
2008-07-01 15.40000000000000
2008-10-01 14.60000000000000
2009-01-01 16.70000000000000
2009-04-01 16.90000000000000
2009-07-01 28.00000000000000
2009-10-01 25.90000000000000
2010-01-01 31.30000000000000
2010-04-01 36.50000000000000
2010-07-01 30.50000000000000
2010-10-01 19.00000000000000
2011-01-01 17.70000000000000
2011-04-01 20.00000000000000
2011-07-01 23.40000000000000
2011-10-01 21.90000000000000
2012-01-01 18.70000000000000
2012-04-01 17.90000000000000
2012-07-01 20.70000000000000
2012-10-01 16.40000000000000
2013-01-01 21.10000000000000
2013-04-01 16.50000000000000
2013-07-01 19.20000000000000
2013-10-01 22.30000000000000
2014-01-01 14.70000000000000
2014-04-01 9.70000000000000
2014-07-01 7.70000000000000
2014-10-01 7.40000000000000
2015-01-01 10.84337349397590
2015-04-01 11.37254901960780
2015-07-01 11.33603238866400
2015-10-01 14.72868217054260
2016-01-01 7.44186046511628
2016-04-01 11.15107913669060
2016-07-01 10.88435374149660
2016-10-01 12.07547169811320
2017-01-01 13.79310344827590
2017-04-01 14.98127340823970
2017-07-01 4.77941176470588
2017-10-01 7.01107011070111
2018-01-01 15.05376344086020
2018-04-01 5.19031141868512