Year per 1,000 people 1960 48.084 1961 46.918 1962 45.886 1963 44.844 1964 43.856 1965 42.898 1966 41.963 1967 41.03 1968 40.078 1969 39.162 1970 38.345 1971 38.019 1972 37.757 1973 37.644 1974 37.569 1975 37.5 1976 37.443 1977 37.243 1978 36.943 1979 36.408 1980 35.913 1981 34.968 1982 34.238 1983 33.361 1984 32.642 1985 32.01 1986 31.161 1987 30.367 1988 29.549 1989 28.794 1990 27.989 1991 27.279 1992 26.579 1993 25.865 1994 25.115 1995 24.308 1996 23.32 1997 22.223 1998 21.032 1999 19.776 2000 18.514 2001 17.369 2002 16.352 2003 15.488 2004 14.752 2005 14.185 2006 13.758 2007 13.426 2008 13.128 2009 12.864 2010 12.618 2011 12.55 2012 12.496 2013 12.444 2014 12.393 2015 12.321 2016 12.229 2017 12.114 2018 11.986 2019 11.834 2020 11.667 2021 11.49 2022 11.316