Year	Percent
1995	9.136
1996	8.7
1997	8.4
1998	9.252
1999	9.328
2000	8.421
2001	8.801
2002	9.791
2003	10.02
2004	9.598
2005	9.035
2006	8.564
2007	8.746
2008	8.48
2009	9.702
2010	9.476