Year	Percent
1995	11.3
1996	13.01
1997	11.57
1998	10.67
1999	11.08
2000	11.72
2001	12.17
2002	11.44
2003	9.73
2004	9.704
2005	9.545
2006	10.87
2007	11.1
2008	11.47
2009	14.77
2010	12.82