Year	Percent
1995	9.215
1996	13.86
1997	13.89
1998	14.24
1999	12.3
2000	13.72
2001	13.71
2002	13.47
2003	13.99
2004	12.8
2005	10.57
2006	10.29
2007	10.42
2008	9.861
2009	9.861
2010	9.861