Year per 1,000 people 1960 49.046 1961 47.959 1962 47.354 1963 46.611 1964 45.916 1965 45.481 1966 45.123 1967 44.939 1968 44.506 1969 44.164 1970 43.24 1971 42.365 1972 41.134 1973 40.635 1974 40.632 1975 40.796 1976 41.815 1977 42.262 1978 43.061 1979 44.21 1980 44.357 1981 44.063 1982 44.393 1983 43.871 1984 43.119 1985 41.792 1986 40.046 1987 37.926 1988 35.961 1989 34.106 1990 32.46 1991 30.928 1992 28.549 1993 26.089 1994 22.778 1995 20.448 1996 18.593 1997 17.338 1998 16.802 1999 16.56 2000 16.39 2001 16.276 2002 16.069 2003 15.958 2004 16.068 2005 16.199 2006 16.489 2007 16.897 2008 17.264 2009 17.548 2010 17.755 2011 18.164 2012 18.926 2013 19.445 2014 19.824 2015 19.428 2016 19.017 2017 18.608 2018 17.231 2019 15.118 2020 14.231 2021 13.699 2022 13.242