Year	Percent
1995	3.794
1996	2.165
1997	2.261
1998	1.855
1999	1.938
2000	2.409
2001	3.45
2002	2.364
2003	2.64
2004	2.087
2005	1.96
2006	2.415
2007	2.522
2008	3.19
2009	4.947
2010	2.851