Year	Percent
1999-01-01	0.040639999999999996
2000-01-01	0.056996000000000005
2001-01-01	0.073795000000000000
2002-01-01	0.123642000000000000
2003-01-01	0.105051000000000000
2004-01-01	0.135380000000000000
2005-01-01	0.087449000000000000
2006-01-01	0.071224000000000000
2007-01-01	0.090169000000000000
2008-01-01	0.087320000000000010
2009-01-01	0.110398000000000000
2010-01-01	0.196185000000000000
2011-01-01	0.196834999999999980
2012-01-01	0.201038000000000020
2013-01-01	0.120244000000000000
2014-01-01	0.119059000000000000
2015-01-01	0.177170000000000000
2016-01-01	0.266075000000000000