Year	Percent
1995	7.644
1996	8.029
1997	8.027
1998	9.847
1999	7.352
2000	7.585
2001	6.792
2002	7.045
2003	7.12
2004	7.112
2005	7.224
2006	7.444
2007	7.553
2008	7.545
2009	7.522
2010	7.523