Year	per 1,000 people
1960	33.038
1961	32.711
1962	33.206
1963	33.593
1964	32.144
1965	31.544
1966	30.847
1967	30.091
1968	29.151
1969	27.538
1970	26.538
1971	25.58
1972	24.718
1973	23.866
1974	22.951
1975	22.125
1976	21.245
1977	20.342
1978	19.391
1979	18.569
1980	17.608
1981	16.739
1982	16.108
1983	15.009
1984	14.221
1985	13.592
1986	14.067
1987	12.484
1988	11.981
1989	11.588
1990	11.198
1991	10.878
1992	10.562
1993	10.236
1994	10.104
1995	9.642
1996	9.343
1997	8.932
1998	8.666
1999	8.306
2000	7.94
2001	7.565
2002	7.203
2003	6.898
2004	6.662
2005	6.413
2006	6.208
2007	5.954
2008	5.77
2009	5.651
2010	5.602
2011	5.554
2012	5.582
2013	5.507
2014	5.566
2015	6.137
2016	6.052
2017	6.082
2018	6.629
2019	6.416
2020	6.509
2021	6.845
2022	6.824