Year	per 100 people
1970	0.053466501
1971	0.0523204
1972	0.0523204
1973	0.0523204
1974	0.0523204
1975	0.102039563
1976	0.114340744
1977	0.160280426
1978	0.180547565
1979	0.204234466
1980	0.216102274
1981	0.215894056
1982	0.219666502
1983	0.225590901
1984	0.222684182
1985	0.22636885
1986	0.228586175
1987	0.232835537
1988	0.237007483
1989	0.232169163
1990	0.293116693
1991	0.308860951
1992	0.314315024
1993	0.335216158
1994	0.363943898
1995	0.388557611
1996	0.420122397
1997	0.525102263
1998	0.589295985
1999	0.630577896
2000	0.703858215
2001	0.899985263
2002	1.117374862
2003	1.324095853
2004	1.323570137
2005	1.361059103
2006	1.131690916
2007	1.276895445
2008	2.36146197
2009	2.241125667
2010	2.093078412
2011	2.051330652
2012	1.789520351
2013	1.442521812
2014	1.338268837
2015	1.299826163
2016	1.31274541
2017	1.371557884
2018	1.403957935
2019	1.411043449
2020	1.38040601
2021	1.258815326
2022	1.002989988