Year	Percent
1999-01-01	2.94417000000000000
2000-01-01	0.14074600000000000
2001-01-01	0.27883200000000000
2002-01-01	0.30703800000000003
2003-01-01	0.30644400000000000
2004-01-01	0.19239900000000001
2005-01-01	0.02713700000000000
2006-01-01	0.68140700000000000
2007-01-01	9.56871000000000100
2008-01-01	0.64313400000000000
2009-01-01	367.45000000000000000
2010-01-01	395.20800000000000000
2011-01-01	152.98500000000000000
2012-01-01	166.03500000000000000
2013-01-01	100.71200000000000000
2014-01-01	140.10100000000000000
2015-01-01	90.61540000000000000