Year	Percent
1995	8.272
1996	8.905
1997	8.85
1998	8.882
1999	8.776
2000	7.426
2001	7.231
2002	7.534
2003	8.442
2004	5.961
2005	7.551
2006	6.767
2007	5.262
2008	6.352
2009	6.352
2010	6.352