Year	Percent
1995	6.655
1996	6.801
1997	6.954
1998	7.166
1999	7.82
2000	9.388
2001	9.052
2002	8.652
2003	7.16
2004	6.64
2005	6.481
2006	6.559
2007	6.085
2008	5.984
2009	6.554
2010	5.868