Year	per 100 people
1975	0.184892843
1976	0.18948199
1977	0.194465977
1978	0.201541359
1979	0.209955816
1980	0.217911238
1981	0.22270031
1982	0.231133587
1983	0.243678044
1984	0.265664994
1985	0.294273001
1986	0.32511559
1987	0.356201253
1988	0.423608137
1989	0.500733981
1990	0.593765689
1991	0.721887159
1992	0.968826684
1993	1.449338918
1994	2.260879753
1995	3.341615258
1996	4.473422785
1997	5.680232489
1998	7.011421682
1999	8.659621227
2000	11.45709253
2001	14.17163437
2002	16.72399342
2003	20.38578862
2004	24.04009737
2005	26.85633691
2006	28.0092729
2007	27.66805457
2008	25.58768652
2009	23.42812363
2010	21.83540163
2011	21.00920709
2012	20.35423498
2013	19.40156531
2014	18.00692033
2015	16.57411492
2016	14.73896291
2017	13.7389423
2018	13.55508705
2019	13.43539156
2020	12.76610275
2021	12.67282617
2022	12.58263506