Year	Percent
1995	7.894
1996	7.954
1997	8.788
1998	10.24
1999	9.008
2000	9.567
2001	11.56
2002	10.98
2003	10.66
2004	12.73
2005	10.03
2006	10.96
2007	10.78
2008	10.12
2009	9.727
2010	10.11