Year	Percent
1995	7.423
1996	7.799
1997	8.04
1998	7.912
1999	7.852
2000	8.424
2001	7.208
2002	5.941
2003	7.076
2004	7.36
2005	8.083
2006	7.332
2007	7.091
2008	6.585
2009	7.141
2010	7.553