Year	Percent
1999-01-01	0.14915699999999998
2000-01-01	0.46767500000000000
2001-01-01	0.50502300000000000
2002-01-01	0.52602399999999990
2003-01-01	0.49972900000000000
2004-01-01	0.98038300000000000
2005-01-01	1.47712999999999980
2006-01-01	3.33468000000000000
2007-01-01	5.21258000000000000
2008-01-01	3.94921999999999950
2009-01-01	7.34855000000000000
2010-01-01	8.16861999999999900
2011-01-01	4.65932000000000000
2012-01-01	5.05643000000000100
2013-01-01	4.66496000000000000
2014-01-01	4.87308000000000000
2015-01-01	5.41320000000000000
2016-01-01	5.34258000000000000