Year	per 100 people
1970	1.532870492
1971	1.60373
1972	1.60373
1973	1.60373
1974	1.60373
1975	1.747378679
1976	1.694801982
1977	1.747528903
1978	2.138175252
1979	2.863953137
1980	3.141811947
1981	4.796730464
1982	6.193995726
1983	6.731735516
1984	7.229406189
1985	7.02786487
1986	7.100291411
1987	7.125595413
1988	7.268273172
1989	7.325372531
1990	7.71020525
1991	8.804411552
1992	9.075506254
1993	9.047597728
1994	9.122915179
1995	9.102784779
1996	9.253040142
1997	9.414251722
1998	10.58507037
1999	12.88065585
2000	13.75911421
2001	14.63793984
2002	15.10382053
2003	15.12959331
2004	15.61644402
2005	15.75561968
2006	15.56561571
2007	15.13632465
2008	14.94313245
2009	14.64341288
2010	14.16347088
2011	15.36654324
2012	15.57944065
2013	15.69035278
2015	11.44098745
2016	12.68476105
2017	13.6279922
2018	15.38461516
2019	15.01081213
2020	15.97088944
2021	18.34369502
2022	18.60338237