Year	Percent
1995	12.63
1996	11.99
1997	12.18
1998	11.33
1999	10.49
2000	10.55
2001	10.15
2002	9.877
2003	12.12
2004	8.778
2005	10.01
2006	12.19
2007	10.45
2008	10.25
2009	10.06
2010	10.12