Year per 1,000 people 1960 43.357 1961 43.208 1962 43.072 1963 43.202 1964 43.276 1965 43.457 1966 43.571 1967 43.638 1968 43.791 1969 43.859 1970 43.95 1971 44.165 1972 44.284 1973 44.068 1974 43.896 1975 43.66 1976 43.264 1977 42.888 1978 42.381 1979 41.914 1980 41.474 1981 41.179 1982 40.935 1983 40.795 1984 40.649 1985 40.327 1986 40.04 1987 39.77 1988 39.464 1989 39.178 1990 38.847 1991 38.701 1992 38.626 1993 38.427 1994 38.313 1995 38.175 1996 38.222 1997 38.283 1998 37.973 1999 37.705 2000 37.158 2001 37.615 2002 37.547 2003 37.269 2004 37.403 2005 37.359 2006 37.498 2007 37.664 2008 38.209 2009 38.425 2010 38.858 2011 38.232 2012 37.508 2013 36.498 2014 35.527 2015 34.648 2016 33.706 2017 33.025 2018 32.337 2019 31.676 2020 31.155 2021 30.691 2022 30.175