Year	Percent
1995	11.02
1996	11.25
1997	11.12
1998	10.48
1999	10.77
2000	10.63
2001	10.44
2002	10.35
2003	12.27
2004	11.89
2005	12
2006	11.31
2007	10.5
2008	10.5
2009	10.28
2010	10.28