Year	Percent
1995	13.94
1996	14.51
1997	14.38
1998	14.16
1999	13.23
2000	12.05
2001	13.01
2002	12.57
2003	12.65
2004	13.81
2005	15.88
2006	14.49
2007	14.26
2008	14.26
2009	14.26
2010	14.26