Year	Percent
1995	6.183
1996	7.169
1997	7.403
1998	7.6
1999	7.336
2000	11.8
2001	12.46
2002	11.82
2003	12.23
2004	11.64
2005	11.59
2006	11.54
2007	12.24
2008	12.39
2009	11.63
2010	11.35