Year	Percent
1995-01-01	0.41055200000000003
1996-01-01	0.79684600000000000
1997-01-01	3.46508000000000040
1998-01-01	2.49085000000000000
1999-01-01	5.90799999999999950
2000-01-01	5.56352000000000000
2001-01-01	29.83890000000000000
2002-01-01	44.92940000000000000
2003-01-01	46.43940000000000000
2004-01-01	48.57630000000000000
2005-01-01	30.65920000000000000
2006-01-01	17.05940000000000000
2007-01-01	28.79910000000000000
2008-01-01	38.17070000000000000
2009-01-01	37.32880000000000000
2010-01-01	39.59600000000000000
2011-01-01	39.84290000000000000
2012-01-01	31.07030000000000000
2013-01-01	39.26780000000000000