Year	per 100 people
1965	0.107118373
1966	0.107646
1967	0.107646
1968	0.107646
1969	0.107646
1971	0.107646
1972	0.107646
1973	0.107646
1974	0.107646
1980	0.34001717
1981	0.334583609
1982	0.343383401
1983	0.353898588
1984	0.399589555
1985	0.338452438
1986	0.392930683
1987	0.320426276
1988	0.311867175
1989	0.309196752
1990	0.30702448
1991	0.309718444
1992	0.321720043
1993	0.336849339
1994	0.365102555
1995	0.384514965
1996	0.395388476
1997	0.394594541
1998	0.391170737
1999	0.407361102
2000	0.414042814
2001	0.468283929
2002	0.466915896
2003	0.472817038
2004	0.478916038
2005	0.489149503
2006	0.499158831
2007	0.510172812
2008	0.517168347
2009	0.523974886
2010	0.217502825
2011	0.241970218
2012	0.265150907
2013	0.229724712
2014	0.231070171
2015	0.232406392
2016	0.226850779
2017	0.221424342
2018	0.055359934
2019	0.005915374
2020	0.002295369
2021	0.003194531