Year	Percent
1995-01-01	11.2648000000000000
1996-01-01	12.6361000000000000
1997-01-01	9.7586800000000000
1998-01-01	11.1476000000000000
1999-01-01	11.4472000000000000
2000-01-01	14.0168000000000000
2001-01-01	7.2852399999999990
2002-01-01	4.0424300000000000
2003-01-01	3.4541699999999995
2004-01-01	3.1135200000000003
2005-01-01	3.1057200000000003
2006-01-01	3.2196200000000000
2007-01-01	4.7462000000000000
2008-01-01	6.6527100000000010