Year	Percent
1995-01-01	3.307890000000000
1996-01-01	4.008300000000000
1997-01-01	6.595050000000000
1998-01-01	7.497450000000000
1999-01-01	6.996230000000001
2000-01-01	8.557770000000000
2001-01-01	10.474100000000000
2002-01-01	16.083400000000000
2003-01-01	19.095000000000000
2004-01-01	16.586500000000000
2005-01-01	14.419100000000000
2006-01-01	13.433700000000000
2007-01-01	13.143600000000000
2008-01-01	9.733150000000000
2009-01-01	11.880400000000000
2010-01-01	10.506100000000000
2011-01-01	11.943500000000000
2012-01-01	14.028500000000000
2013-01-01	16.270100000000000