Year per 1,000 people 1960 49.579 1961 49.134 1962 48.666 1963 48.277 1964 47.965 1965 47.721 1966 47.203 1967 46.763 1968 46.554 1969 46.31 1970 46.13 1971 46.093 1972 46.051 1973 45.798 1974 45.522 1975 45.429 1976 45.204 1977 44.738 1978 44.344 1979 43.968 1980 43.445 1981 42.869 1982 42.206 1983 41.633 1984 40.883 1985 40.283 1986 39.742 1987 39.192 1988 38.698 1989 38.361 1990 38.032 1991 37.72 1992 37.47 1993 37.211 1994 36.779 1995 36.215 1996 35.757 1997 35.274 1998 35.023 1999 34.561 2000 33.841 2001 32.986 2002 32.052 2003 31.101 2004 30.188 2005 29.314 2006 28.479 2007 27.64 2008 26.871 2009 26.112 2010 25.392 2011 24.717 2012 24.111 2013 23.569 2014 23.123 2015 22.751 2016 22.44 2017 22.16 2018 21.895 2019 21.628 2020 21.353 2021 21.071 2022 20.85