Year	per Person
1991	19.64726
1992	19.08977
1993	18.56171
1994	18.09121
1995	17.69248
1996	17.36439
1997	17.10045
1998	16.87431
1999	16.67537
2000	16.49075
2001	16.31751
2002	16.15496
2003	15.99625
2004	15.83417
2005	15.66352
2006	17.01418
2007	16.80446
2008	16.58103
2009	16.34202
2010	16.0874
2011	15.81736
2012	15.53578
2013	15.2508
2014	14.9719
2015	14.70545
2016	14.45287