Year	Percent
1999-01-01	0.016686000000000003
2000-01-01	0.027441000000000004
2001-01-01	0.056717000000000000
2002-01-01	0.095127999999999990
2003-01-01	0.105280000000000000
2004-01-01	0.293461000000000000
2005-01-01	0.552213000000000100
2006-01-01	1.518940000000000000
2007-01-01	2.807660000000000000
2008-01-01	0.796905000000000000
2009-01-01	2.006780000000000000
2010-01-01	2.252140000000000300
2011-01-01	1.337320000000000000
2012-01-01	1.835740000000000100
2013-01-01	2.121650000000000000
2014-01-01	2.279179999999999800
2015-01-01	4.800800000000000000
2016-01-01	3.614200000000000000