Year	Per 100 People
1960	1.80741
1965	2.50018
1970	3.27863
1975	4.08048
1976	4.57652
1977	4.83411
1978	5.04567
1979	5.26066
1980	5.46783
1981	5.63922
1982	5.82215
1983	6.06565
1984	6.37354
1985	6.69953
1986	7.02761
1987	7.39075
1988	7.83406
1989	8.2597
1990	8.67617
1991	9.36333
1992	10.3115
1993	11.53087
1994	13.0423
1995	14.89754
1996	16.96567
1997	19.48689
1998	22.85474
1999	26.3868
2000	28.39281
2001	29.59194
2002	30.82091
2003	31.97925
2004	32.6947
2005	30.85355
2006	29.93037
2007	27.36938
2008	24.66734
2009	22.16173
2010	20.00627
2011	17.88212
2012	15.53053
2013	21.55455
2014	25.41437
2015	23.66025
2016	21.30352