Year	Percent
1995	9.889
1996	9.994
1997	10.61
1998	10.78
1999	10.69
2000	12.05
2001	11.84
2002	13.26
2003	12.55
2004	13.4
2005	14.36
2006	14.5
2007	13.55
2008	12.31
2009	12.74
2010	13.2