Year	Percent
1995	8.179
1996	8.138
1997	8.849
1998	8.595
1999	10.53
2000	9.32
2001	4.981
2002	6.794
2003	8.281
2004	10.17
2005	11.25
2006	11.88
2007	12.49
2008	11.73
2009	7.323
2010	13.09