Year	Percent
1995	7.529
1996	7.805
1997	7.793
1998	7.714
1999	7.955
2000	9.319
2001	9.285
2002	9.323
2003	9.765
2004	10.08
2005	10.39
2006	10.07
2007	9.994
2008	10.05
2009	10.74
2010	11