Year	Per 100 People
1960	1.22413
1965	1.4975
1970	1.86629
1975	2.45101
1976	2.47678
1977	2.57145
1978	2.54077
1979	2.48255
1980	2.43111
1981	2.55754
1982	2.70623
1983	2.82421
1984	2.89747
1985	3.27875
1986	3.44334
1987	3.43436
1988	3.55871
1989	3.70022
1990	4.34301
1991	5.38391
1992	6.78403
1993	8.37679
1994	9.9692
1995	11.43917
1996	13.94469
1997	16.0664
1998	17.72344
1999	18.49514
2000	18.5754
2001	19.09973
2002	16.12987
2003	16.90961
2004	15.50145
2005	11.62251
2006	12.41512
2007	13.3187
2008	11.34685
2009	10.7861
2010	9.33743
2011	9.54475
2012	8.91037
2013	8.77829
2014	8.89211
2015	8.80414
2016	10.76622
2017	10.27669