Year	per 100 people
1970	11.38844073
1971	12.0441
1972	12.0441
1973	12.0441
1974	12.0441
1975	11.29378198
1976	12.80956447
1977	12.58704057
1978	13.58038472
1979	13.26187416
1980	13.89037863
1981	14.14308024
1982	17.10763771
1983	15.33269086
1984	16.08974731
1985	17.07199057
1986	19.31109552
1987	21.08263111
1988	22.42255771
1989	23.29750049
1990	25.81360209
1991	28.31325301
1992	27.23877818
1993	26.43633486
1994	26.81523961
1995	27.94387656
1996	29.33867223
1997	31.6358771
1998	33.56679497
1999	34.71549183
2000	35.18217677
2001	37.40663661
2002	37.89079107
2003	38.95417885
2004	40.78696552
2005	38.26120459
2006	37.30576413
2007	37.14471043
2008	36.59256605
2009	35.03913796
2010	34.64336998
2011	35.188517
2012	35.33467169
2013	35.26513678
2014	32.2919531
2015	30.79338321
2016	30.57963109
2017	28.53290562
2018	28.22923768
2019	22.5256268
2020	22.38776595
2021	21.01096821
2022	21.09448174