Year	Percent
1995	9.305
1996	9.305
1997	9.305
1998	9.305
1999	8.624
2000	8.399
2001	8.922
2002	9.351
2003	10.41
2004	9.343
2005	8.746
2006	8.695
2007	9.085
2008	8.41
2009	8.881
2010	9.414