Year	Percent
1995	7.85
1996	8.033
1997	7.715
1998	7.35
1999	7.373
2000	7.219
2001	7.425
2002	7.808
2003	8.151
2004	8.209
2005	8.429
2006	8.345
2007	8.045
2008	8.311
2009	9.046
2010	8.951