Year	Percent
1995-01-01	2.97009000000000030
1996-01-01	2.48698000000000000
1997-01-01	2.03137000000000000
1998-01-01	2.02339000000000000
1999-01-01	2.15019000000000030
2000-01-01	2.11983000000000000
2001-01-01	2.80862000000000000
2002-01-01	2.79549000000000000
2003-01-01	2.83864000000000030
2004-01-01	2.66187000000000000
2005-01-01	2.37338000000000000
2006-01-01	0.24890500000000002
2007-01-01	0.04417400000000000
2008-01-01	0.03291500000000000
2009-01-01	0.04064300000000000
2010-01-01	2.15300000000000000
2011-01-01	3.26598000000000000
2012-01-01	2.74035000000000000
2013-01-01	2.38322000000000000
2014-01-01	2.28386000000000000
2015-01-01	1.41706000000000000
2016-01-01	1.68750999999999980