Year	Percent
1995	9.432
1996	6.896
1997	8.419
1998	8.686
1999	8.235
2000	6.213
2001	5.591
2002	5.627
2003	7.945
2004	6.524
2005	6.962
2006	6.634
2007	6.863
2008	6.908
2009	8.324
2010	8.016