Year	Percent
1995	5.107
1996	5.016
1997	5.016
1998	5.016
1999	5.016
2000	5.016
2001	5.984
2002	6.119
2003	10.99
2004	9.717
2005	8.223
2006	7.218
2007	6.655
2008	6.652
2009	6.418
2010	5.546