Year	Percent
1995	8.521
1996	7.387
1997	11.16
1998	9.517
1999	9.915
2000	9.131
2001	10.61
2002	11.74
2003	12.03
2004	11.52
2005	11.94
2006	11.42
2007	9.976
2008	10.66
2009	9.834
2010	9.834