Year	Percent
1994-01-01	3.0967599999999997
1995-01-01	2.9211000000000000
1996-01-01	2.9041600000000000
1997-01-01	3.7816400000000003
1998-01-01	3.6799000000000000
1999-01-01	3.6769600000000000
2000-01-01	4.1181600000000000
2001-01-01	5.0625400000000000
2002-01-01	6.0311500000000000
2003-01-01	6.6700800000000005
2004-01-01	8.2236900000000000
2005-01-01	11.9643000000000000
2006-01-01	18.0396000000000000
2007-01-01	24.8005000000000000
2008-01-01	30.9991000000000000
2009-01-01	34.8424000000000000
2010-01-01	35.4154000000000000
2011-01-01	37.5591000000000000
2012-01-01	38.7430000000000000
2013-01-01	38.1747000000000000
2014-01-01	37.1719000000000000
2015-01-01	36.2413000000000000
2016-01-01	34.5443000000000000