Year	Per 100 People
1960	0.43035
1965	0.45097
1970	0.73962
1975	1.07407
1976	1.11676
1977	1.20158
1978	1.33273
1979	1.48173
1980	1.55655
1981	1.67329
1982	1.80841
1983	1.95141
1984	2.04129
1985	2.1007
1986	2.13656
1987	2.20403
1988	2.36285
1989	2.51767
1990	2.6687
1991	2.78107
1992	2.88876
1993	3.13254
1994	3.24953
1995	3.50557
1996	3.62002
1997	4.37697
1998	5.12321
1999	5.15842
2000	5.33519
2001	5.34193
2002	4.95983
2003	5.007
2004	5.31976
2005	5.5266
2006	5.62761
2007	6.61089
2008	6.12492
2009	6.32063
2010	5.84446
2011	5.86048
2012	6.44261
2013	6.76865
2014	5.67565
2015	5.19426
2016	5.21099
2017	4.25923