Year	Percent
1995-01-01	2.1626600000000000
1996-01-01	0.1229240000000000
1997-01-01	0.3339780000000000
1998-01-01	2.1686099999999997
1999-01-01	0.4282500000000000
2000-01-01	0.2182140000000000
2001-01-01	0.3355210000000000
2002-01-01	0.5665800000000000
2003-01-01	1.9539700000000000
2004-01-01	3.4021300000000000
2005-01-01	4.2882800000000000
2006-01-01	2.0556500000000000
2007-01-01	4.4047400000000000
2008-01-01	13.6489000000000000
2009-01-01	16.1325000000000000
2010-01-01	9.5897100000000000
2011-01-01	9.4364700000000000
2012-01-01	8.5839600000000010
2013-01-01	10.4023000000000000
2014-01-01	14.6351000000000000
2015-01-01	19.6414000000000000
2016-01-01	21.2084000000000000