Year	per 100 people
1960	0.056234795
1961	0.0527481
1962	0.0527481
1963	0.0527481
1964	0.0527481
1966	0.0527481
1967	0.0527481
1968	0.0527481
1969	0.0527481
1971	0.0527481
1972	0.0527481
1973	0.0527481
1974	0.0527481
1981	0.220129545
1982	0.365698846
1983	0.442460631
1984	0.557429955
1985	0.611051364
1986	0.601670237
1987	0.592411957
1988	0.583195487
1989	0.594841162
1990	0.611678279
1991	0.621317374
1992	0.628113684
1993	0.630700792
1994	0.63646217
1995	0.659045382
1996	0.694894985
1997	0.656634347
1998	0.682307058
1999	0.505439819
2000	0.90368518
2001	0.787431007
2002	0.870902357
2003	0.802491234
2004	0.721524504
2005	0.696811583
2006	0.479742478
2007	0.315323886
2008	0.312207956
2009	0.317182601
2010	0
2011	0
2012	0
2013	0
2014	0
2015	0
2016	0
2017	0
2018	0