Year	Percent
1995-01-01	13.3214000000000000
1996-01-01	16.0436000000000000
1997-01-01	10.1053000000000000
1998-01-01	13.1383000000000000
1999-01-01	9.8142300000000000
2000-01-01	12.5428000000000000
2001-01-01	9.3593000000000000
2002-01-01	7.2512899999999990
2003-01-01	8.1301000000000000
2004-01-01	16.3985000000000000
2005-01-01	9.5363000000000000
2006-01-01	13.2735000000000000
2007-01-01	19.6321000000000000
2008-01-01	5.0477800000000000
2009-01-01	4.7587500000000000
2010-01-01	4.9160900000000005
2011-01-01	5.0230300000000000
2012-01-01	3.9240699999999995
2013-01-01	3.2653900000000000
2014-01-01	3.9461300000000000
2015-01-01	3.8026000000000000
2016-01-01	3.5302000000000000