Year	Percent
1995	6.849
1996	7.106
1997	5.872
1998	5.668
1999	7.34
2000	7.756
2001	7.236
2002	6.273
2003	6.442
2004	6.647
2005	6.986
2006	7.034
2007	7.537
2008	7.764
2009	7.764
2010	7.764