Year	Percent
1995	10.46
1996	10.46
1997	10.77
1998	11.88
1999	12.44
2000	12.9
2001	12.6
2002	12.82
2003	11.88
2004	11.95
2005	11.81
2006	12.03
2007	12.67
2008	12.29
2009	12.03
2010	11.95
