Year	per 100 people
1960	0
1965	0
1970	0
1975	0
1976	0
1977	0
1978	0
1979	0
1980	0
1981	0
1982	0
1983	0
1984	0
1985	0
1986	0
1987	0
1988	0
1989	0
1990	0
1991	0
1992	0
1993	0
1994	0
1995	0
1996	0.047744476
1997	0.077755215
1998	0.108156936
1999	0.13265336
2000	0.155401905
2001	0.187769074
2002	0.254556735
2003	0.287310088
2004	0.767674013
2005	1.154056014
2006	1.490708859
2007	4.334592388
2008	12.24434673
2009	19.26304103
2010	25.17486852
2011	30.74307157
2012	33.75051158
2013	36.38292152
2014	39.68382897
2015	41.0035551
2016	42.49834535
2017	44.08217145
2018	46.09170728
2019	47.52430342
2020	49.41720925
2021	48.42485057