Year per 1,000 people 1960 50.391 1961 50.355 1962 50.25 1963 50.058 1964 49.887 1965 49.849 1966 49.787 1967 49.695 1968 49.545 1969 49.485 1970 49.478 1971 49.474 1972 49.362 1973 49.168 1974 49.046 1975 49.018 1976 49.067 1977 48.913 1978 48.578 1979 48.15 1980 47.865 1981 47.562 1982 47.161 1983 46.676 1984 46.036 1985 45.427 1986 44.514 1987 43.834 1988 42.756 1989 42.229 1990 41.969 1991 41.303 1992 40.829 1993 40.474 1994 39.848 1995 39.576 1996 39.307 1997 39.255 1998 39.188 1999 39.434 2000 39.169 2001 38.895 2002 38.671 2003 38.611 2004 38.354 2005 38.418 2006 38.657 2007 38.164 2008 37.886 2009 38.1 2010 37.74 2011 37.502 2012 37.207 2013 36.817 2014 36.322 2015 35.357 2016 34.673 2017 34.224 2018 33.955 2019 33.47 2020 33.034 2021 32.573 2022 32.067