Year	Percent
1995-01-01	4.5082000000000000
1996-01-01	2.0604600000000000
1997-01-01	2.0651500000000000
1998-01-01	5.3696300000000000
1999-01-01	3.2096000000000000
2000-01-01	5.5635000000000000
2001-01-01	3.6702500000000000
2002-01-01	4.6151100000000000
2003-01-01	2.7220299999999997
2004-01-01	2.5522600000000000
2005-01-01	2.1052700000000000
2006-01-01	3.2726000000000000
2007-01-01	1.9463700000000002
2008-01-01	2.6188000000000000
2009-01-01	4.1744200000000000
2010-01-01	4.1306900000000000
2011-01-01	3.8735600000000000
2012-01-01	3.7495600000000000
2013-01-01	3.4814199999999995