Year per 1,000 people 1960 46.604 1961 46.362 1962 46.168 1963 45.968 1964 45.803 1965 45.669 1966 45.524 1967 45.401 1968 45.305 1969 45.233 1970 45.182 1971 45.198 1972 45.201 1973 45.241 1974 45.321 1975 45.488 1976 45.681 1977 45.838 1978 46.763 1979 47.06 1980 47.314 1981 47.738 1982 48.024 1983 48.255 1984 48.461 1985 48.711 1986 48.871 1987 48.999 1988 49.057 1989 49.159 1990 49.008 1991 49.4 1992 50.214 1993 50.438 1994 50.262 1995 50.145 1996 50.1 1997 50.345 1998 50.194 1999 50.067 2000 49.901 2001 49.72 2002 49.688 2003 49.446 2004 49.232 2005 48.972 2006 48.739 2007 48.466 2008 48.242 2009 47.946 2010 47.696 2011 47.53 2012 47.282 2013 46.995 2014 46.747 2015 46.474 2016 46.156 2017 45.457 2018 44.992 2019 44.564 2020 44.007 2021 43.561 2022 43.086