Year per 1,000 people 1960 45.957 1961 45.547 1962 44.983 1963 44.28 1964 43.495 1965 42.401 1966 41.205 1967 39.978 1968 38.648 1969 37.327 1970 36.121 1971 35.044 1972 34.092 1973 33.386 1974 32.818 1975 32.462 1976 32.227 1977 32.023 1978 31.817 1979 31.663 1980 31.286 1981 30.936 1982 30.548 1983 30.008 1984 29.577 1985 29.142 1986 28.742 1987 28.366 1988 28.013 1989 27.7 1990 27.374 1991 27.011 1992 26.559 1993 26.091 1994 25.53 1995 24.939 1996 24.351 1997 23.731 1998 23.165 1999 22.649 2000 22.114 2001 21.576 2002 21.021 2003 20.444 2004 19.853 2005 19.265 2006 18.688 2007 18.173 2008 17.702 2009 17.275 2010 16.909 2011 16.609 2012 16.344 2013 16.088 2014 15.834 2015 15.585 2016 15.353 2017 15.081 2018 14.841 2019 14.682 2020 14.435 2021 14.204 2022 13.921