Year	Percent
1995	6.652
1996	6.849
1997	6.809
1998	6.739
1999	7.087
2000	7.164
2001	7.269
2002	7.195
2003	7.025
2004	7.131
2005	8.17
2006	8.482
2007	8.47
2008	8.283
2009	8.754
2010	9.008