Year per 1,000 people 1960 44.017 1961 43.231 1962 41.991 1963 40.673 1964 39.373 1965 38.178 1966 37.214 1967 36.513 1968 36.123 1969 35.997 1970 36.03 1971 36.118 1972 35.909 1973 35.472 1974 34.99 1975 34.427 1976 33.807 1977 33.183 1978 32.635 1979 32.106 1980 31.629 1981 31.191 1982 30.831 1983 30.505 1984 30.327 1985 30.223 1986 29.926 1987 29.567 1988 29.266 1989 28.859 1990 28.466 1991 27.768 1992 26.759 1993 25.421 1994 24.116 1995 22.9 1996 21.788 1997 20.836 1998 20.075 1999 19.475 2000 19.012 2001 18.618 2002 18.225 2003 17.857 2004 17.483 2005 17.138 2006 16.881 2007 16.746 2008 16.773 2009 16.91 2010 17.128 2011 17.344 2012 17.334 2013 17.203 2014 16.942 2015 16.546 2016 16.054 2017 15.544 2018 15.05 2019 14.585 2020 14.165 2021 13.8 2022 13.493