Year	Percent
1995	8.518
1996	10.5
1997	11.91
1998	10.24
1999	12.06
2000	15.55
2001	15.04
2002	13.17
2003	11.92
2004	11.64
2005	11.59
2006	12.45
2007	14.71
2008	14.57
2009	14.7
2010	14.7