Year	Percent
1995-01-01	11.3692000000000000
1996-01-01	9.0175200000000000
1997-01-01	5.2710300000000005
1998-01-01	4.0589600000000000
1999-01-01	4.5413700000000000
2000-01-01	3.9742000000000000
2001-01-01	3.7425500000000000
2002-01-01	3.9167400000000003
2003-01-01	4.1794100000000000
2004-01-01	5.5706500000000000
2005-01-01	7.2421500000000000
2006-01-01	8.7379199999999990
2007-01-01	11.2778000000000000
2008-01-01	12.7159000000000000
2009-01-01	12.6543000000000000
2010-01-01	11.9569000000000000
2011-01-01	10.8611000000000000
2012-01-01	11.7332000000000000
2013-01-01	13.5479000000000000
2014-01-01	17.2285000000000000
2015-01-01	20.8745000000000000
2016-01-01	20.6081000000000000