Year	Percent
1995	7.895
1996	7.971
1997	7.56
1998	8.062
1999	8.022
2000	8.011
2001	7.834
2002	8.019
2003	9.568
2004	8.873
2005	7.743
2006	8.798
2007	8.299
2008	7.941
2009	8.43
2010	9.207