Year	Percent
1995	5.941
1996	8.329
1997	9.451
1998	11.61
1999	12.64
2000	12.19
2001	9.802
2002	17.12
2003	10.92
2004	10.31
2005	9.91
2006	12.47
2007	13.31
2008	13.78
2009	12.13
2010	10.46