Year per 1,000 people 1960 49.257 1961 47.566 1962 45.703 1963 43.82 1964 42.449 1965 41.232 1966 40.17 1967 39.268 1968 38.339 1969 37.366 1970 36.45 1971 35.542 1972 34.589 1973 33.756 1974 32.859 1975 32.086 1976 31.368 1977 30.796 1978 30.803 1979 30.776 1980 29.866 1981 29.97 1982 30.222 1983 29.516 1984 28.053 1985 26.885 1986 25.825 1987 25.075 1988 24.429 1989 24.102 1990 23.883 1991 23.735 1992 23.71 1993 23.477 1994 22.972 1995 22.339 1996 21.502 1997 20.849 1998 20.236 1999 19.909 2000 19.585 2001 19.097 2002 18.35 2003 17.674 2004 17.127 2005 16.83 2006 16.637 2007 16.72 2008 17.048 2009 17.118 2010 16.854 2011 16.484 2012 16.509 2013 16.312 2014 16.19 2015 15.891 2016 15.161 2017 14.269 2018 13.708 2019 13.346 2020 13.071 2021 12.901 2022 12.726