Year	per 100 people
1975	0.175588317
1976	0.17805936
1977	0.180996752
1978	0.189086141
1979	0.201082663
1980	0.201927442
1981	0.20731567
1982	0.23561438
1983	0.271473763
1984	0.295680633
1985	0.304571873
1986	0.320388833
1987	0.335444911
1988	0.334585768
1989	0.346895391
1990	0.35184751
1991	0.356036652
1992	0.450769107
1993	0.457828456
1994	0.452958402
1995	0.496508876
1996	0.519751867
1997	0.539409107
1998	0.65611343
1999	0.643575575
2000	0.629489503
2001	0.686021199
2002	0.696749843
2003	0.595518274
2004	0.591567567
2005	0.580781516
2006	0.736248934
2007	1.034820221
2008	1.359668204
2009	2.253775168
2010	2.714070947
2011	3.271402781
2012	3.506185896
2013	3.693530903
2014	5.184984384
2015	4.563929763
2016	4.432731955
2017	3.631186929
2018	3.597966674
2019	3.32169604
2020	3.64038667
2021	3.188098311
2022	3.328040273