Year	Percent
1995-01-01	14.5780000000000000
1996-01-01	18.3858000000000000
1997-01-01	23.6684000000000000
1998-01-01	20.2384000000000000
1999-01-01	31.5137000000000000
2000-01-01	30.5410000000000000
2001-01-01	33.7015000000000000
2002-01-01	21.4054000000000000
2003-01-01	14.2169000000000000
2004-01-01	14.4531000000000000
2005-01-01	20.0037000000000000
2006-01-01	18.2637000000000000
2007-01-01	16.3808000000000000
2008-01-01	11.1812000000000000
2009-01-01	11.2042000000000000
2010-01-01	14.4208000000000000
2011-01-01	9.7368100000000000
2012-01-01	12.2507000000000000
2013-01-01	10.9648000000000000
2014-01-01	6.7397300000000010
2015-01-01	6.6188199999999995
2016-01-01	5.5287200000000000