Year	Percent
1995	9.785
1996	9.928
1997	10.8
1998	11.05
1999	11.45
2000	12.67
2001	12.78
2002	13.12
2003	12.87
2004	13.77
2005	14.15
2006	14.18
2007	13.88
2008	14.36
2009	14.23
2010	14.71