Year	Percent
1995	8.835
1996	8.996
1997	8.744
1998	8.639
1999	8.115
2000	7.557
2001	8.074
2002	8.226
2003	7.861
2004	8.169
2005	7.461
2006	8.442
2007	8.406
2008	6.152
2009	8.007
2010	7.919