Year	Percent
1995	1.482
1996	1.237
1997	0.8892
1998	0.6601
1999	0.7789
2000	1.152
2001	0.9922
2002	1.466
2003	1.137
2004	1.248
2005	0.771
2006	1.198
2007	0.9263
2008	0.9115
2009	0.971
2010	0.971