Year	Measure
1995	7.13
1996	7.59
1997	7.61
1998	7.5
1999	7.6
2000	7.7
2001	7.8
2002	7.8
2003	8
2004	8.4
2005	8.7
2006	8.6
2007	8.1
2008	8.1
2009	7.9
2010	7.9
2011	7.7869