Year	Percent
1995	9.91
1996	9.915
1997	10.02
1998	10.12
1999	10.1
2000	8.33
2001	9.761
2002	9.045
2003	8.67
2004	11.57
2005	15.25
2006	14.86
2007	15.44
2008	12.22
2009	12.43
2010	12.07