Year	Percent
1995	13.09
1996	12.07
1997	9.169
1998	8.529
1999	8.493
2000	10.76
2001	10.08
2002	10.75
2003	11
2004	9.816
2005	8.42
2006	9.387
2007	9.325
2008	11.51
2009	11.51
2010	7.774