Year	Percent
1995	7.798
1996	6.556
1997	5.446
1998	6.19
1999	8.529
2000	7.983
2001	7.678
2002	7.561
2003	7.202
2004	8.902
2005	9.068
2006	9.126
2007	7.074
2008	8.414
2009	8.56
2010	7.523