Year	Percent
1995	10.07
1996	11.22
1997	11.12
1998	10.91
1999	10.33
2000	11.32
2001	10.43
2002	10.17
2003	11.86
2004	13.82
2005	11.61
2006	11.38
2007	10.51
2008	12.22
2009	7.905
2010	8.577