Year	Percent
1996-01-01	2.4201599999999996
1997-01-01	2.2012600000000000
1998-01-01	5.3578400000000000
1999-01-01	4.6704000000000000
2000-01-01	4.9721900000000000
2001-01-01	4.2546900000000000
2002-01-01	6.1751900000000000
2003-01-01	4.7780100000000000
2004-01-01	4.2096900000000000
2005-01-01	4.2145199999999990
2006-01-01	4.9364000000000000
2007-01-01	3.9987600000000000
2008-01-01	-3.5208900000000000
2009-01-01	-0.9101870000000001