Year	Percent
1999-01-01	0.064851999999999990
2000-01-01	0.124230000000000000
2001-01-01	0.119710999999999980
2002-01-01	0.056471000000000000
2003-01-01	0.036779000000000000
2004-01-01	0.099153999999999990
2005-01-01	0.032497000000000005
2006-01-01	0.015619000000000000
2007-01-01	0.120389000000000010
2008-01-01	0.064221000000000000
2009-01-01	0.097134000000000000
2010-01-01	0.169775000000000000
2011-01-01	0.277672000000000000
2012-01-01	0.308165000000000000
2013-01-01	0.108279000000000000
2014-01-01	0.079292999999999990
2015-01-01	2.705980000000000000