Year	per Person
1980	11.92401
1981	10.37789
1982	9.17174
1983	11.34462
1984	10.70835
1985	10.05424
1986	9.87065
1987	9.77941
1988	9.78057
1989	9.16434
1990	6.54292
1991	6.91699
1992	8.17626
1993	8.86436
1994	8.89095
1995	9.30152
1996	10.01405
1997	9.97745
1998	10.36278
1999	11.43066
2000	10.94551
2001	10.47875
2002	10.15367
2003	9.52252
2004	8.72736
2005	7.59712
2006	8.91935
2007	8.92721
2008	8.51284
2009	8.39641
2010	8.35197
2011	8.26778
2012	7.62798
2013	7.46963
2014	7.55188
2015	7.52312
2016	7.4494