Year	Percent
1995	7.668
1996	7.686
1997	7.655
1998	7.668
1999	7.726
2000	7.885
2001	8.855
2002	8.977
2003	9.563
2004	9.077
2005	9.113
2006	8.644
2007	7.838
2008	7.956
2009	9.42
2010	9.114