Year	Percent
1998-01-01	0.06355100000000000
1999-01-01	0.10766900000000000
2000-01-01	0.27834400000000000
2001-01-01	0.36803700000000000
2002-01-01	0.11773099999999999
2003-01-01	0.73679700000000000
2004-01-01	1.71068000000000000
2005-01-01	1.82427000000000000
2006-01-01	2.16623000000000000
2007-01-01	5.16030000000000000
2008-01-01	4.98959000000000000
2009-01-01	3.17392000000000000
2010-01-01	1.68152000000000010
2011-01-01	0.28299600000000000
2012-01-01	0.39483900000000000
2013-01-01	0.38435600000000000
2014-01-01	0.33025600000000000
2015-01-01	0.85549000000000000
2016-01-01	0.91737300000000000
2017-01-01	0.49212000000000000