Year	Percent
1995-01-01	22.1977000000000000
1996-01-01	23.2396000000000000
1997-01-01	15.5518000000000000
1998-01-01	11.8538000000000000
1999-01-01	15.6983000000000000
2000-01-01	9.3937400000000000
2001-01-01	10.2179000000000000
2002-01-01	8.8867800000000000
2003-01-01	15.2449000000000000
2004-01-01	10.4099000000000000
2005-01-01	6.3234400000000000
2006-01-01	5.4336800000000010
2007-01-01	4.9659200000000000
2008-01-01	3.0321400000000000
2009-01-01	2.8668299999999998
2010-01-01	2.5935400000000000
2011-01-01	2.3084100000000000
2012-01-01	2.8358900000000000
2013-01-01	3.7154300000000005
2014-01-01	3.2427400000000000
2015-01-01	3.4148900000000000
2016-01-01	2.1788000000000000