Year	Percent
1999-01-01	0.0836230000000000000
2000-01-01	0.0892700000000000000
2001-01-01	0.0671799999999999900
2002-01-01	0.0054810000000000010
2003-01-01	0.0100980000000000010
2004-01-01	0.0012960000000000000
2005-01-01	0.0009930000000000000
2006-01-01	0.0159620000000000000
2007-01-01	0.0289339999999999980
2008-01-01	0.0212340000000000000
2009-01-01	0.0266210000000000000
2010-01-01	0.0223650000000000000
2011-01-01	0.0173250000000000000
2012-01-01	0.0038060000000000004
2013-01-01	0.0035750000000000000
2014-01-01	0.0022840000000000000
2015-01-01	0.0028340000000000000
2016-01-01	0.0035859999999999998