Year	Percent
1995	6.37
1996	7.598
1997	7.258
1998	9.206
1999	7.375
2000	10.29
2001	8.453
2002	7.967
2003	7.757
2004	7.735
2005	8.06
2006	7.747
2007	7.694
2008	6.28
2009	7.312
2010	7.312