Year	Percent
1995	1.61
1996	1.334
1997	1.527
1998	1.647
1999	1.41
2000	1.545
2001	0.4
2002	1.401
2003	1.087
2004	0.8456
2005	0.9504
2006	0.7838
2007	0.7582
2008	0.741
2009	0.7011
2010	0.7019