Year	Percent
1995-01-01	10.266200000000000
1996-01-01	8.881580000000000
1997-01-01	64.691600000000000
1998-01-01	31.728700000000000
1999-01-01	16.060300000000000
2000-01-01	21.438400000000000
2001-01-01	33.516000000000000
2002-01-01	38.496200000000000
2003-01-01	25.707600000000000
2004-01-01	20.012200000000000
2005-01-01	26.460000000000000
2006-01-01	16.089400000000000
2007-01-01	20.518100000000000
2008-01-01	22.819900000000000
2009-01-01	12.026700000000000
2010-01-01	13.185600000000000
2011-01-01	12.585600000000000
2012-01-01	14.762600000000000
2013-01-01	15.870999999999999