Year	Percent
1995	2.99
1996	2.95
1997	2.524
1998	3.516
1999	2.991
2000	2.495
2001	2.858
2002	3.2
2003	3.341
2004	2.997
2005	2.598
2006	2.794
2007	2.875
2008	2.628
2009	3.586
2010	3.495