Year	per 1,000 people
1960	48.354
1961	48.201
1962	47.866
1963	46.166
1964	44.986
1965	43.692
1966	41.657
1967	40.216
1968	38.65
1969	38.166
1970	37.928
1971	37.626
1972	37.393
1973	37.121
1974	36.851
1975	36.535
1976	36.236
1977	35.81
1978	35.286
1979	34.4
1980	33.9
1981	35
1982	35.1
1983	35.4
1984	36.3
1985	37.4
1986	37.9
1987	37.2
1988	35.3
1989	33.3
1990	33.7
1991	34.5
1992	33.1
1993	31.5
1994	29.4
1995	29.8
1996	27.3
1997	25.5
1998	23.4
1999	22.4
2000	21.4
2001	20.5
2002	21.1
2003	19.9
2004	20.9
2005	20.4
2006	21
2007	22.7
2008	23.7
2009	23.4
2010	22
2011	21.2
2012	21
2013	22.5
2014	23.3
2015	23.5
2016	22.8
2017	22.1
2018	23.3
2019	24.3
2020	24.6
2021	25.9
2022	26.2