Year	Percent
1995	7.611
1996	7.91
1997	7.765
1998	7.886
1999	8.077
2000	8.121
2001	8.292
2002	8.462
2003	10.02
2004	10.14
2005	10.04
2006	9.586
2007	9.643
2008	10.04
2009	10.84
2010	10.71