Year	per 100 people
1960	0.638275506
1961	0.638276
1962	0.638276
1963	0.638276
1964	0.638276
1965	0.590295417
1966	0.590295
1967	0.590295
1968	0.590295
1969	0.590295
1970	0.568581877
1971	0.568582
1972	0.568582
1973	0.568582
1974	0.568582
1975	0.618110734
1976	0.675867105
1977	0.730393774
1978	0.781751301
1979	0.78905804
1980	0.835417207
1981	0.866222992
1982	0.912313753
1983	0.937200251
1984	0.979068742
1985	1.068677828
1986	1.095227724
1987	1.135258835
1988	1.19853535
1989	1.373781549
1990	1.624511206
1991	1.967506141
1992	2.54361819
1993	3.161894786
1994	3.787924668
1995	4.178667679
1996	4.411419983
1997	4.685815536
1998	4.95671662
1999	5.16947351
2000	4.94900287
2001	4.090233819
2002	3.82772324
2003	4.093670042
2004	4.345209036
2005	4.403648976
2006	4.110151044
2007	7.681273642
2008	9.484655884
2009	11.0127828
2010	11.59236591
2011	10.87820142
2012	9.864219554
2013	8.675070486
2014	7.275713692
2015	6.411249286
2016	5.89351569
2017	5.751314843
2018	6.103789513
2019	5.633247458
2020	6.386481267
2021	6.724784538