Year per 1,000 people 1960 51.321 1961 51.189 1962 51.031 1963 50.985 1964 50.985 1965 50.763 1966 50.644 1967 50.606 1968 50.287 1969 50.027 1970 49.833 1971 49.617 1972 49.416 1973 49.033 1974 48.612 1975 48.191 1976 46.852 1977 45.717 1978 44.738 1979 43.891 1980 43.154 1981 42.454 1982 41.727 1983 40.987 1984 40.197 1985 39.306 1986 38.375 1987 37.343 1988 36.449 1989 35.442 1990 34.413 1991 33.423 1992 32.423 1993 31.547 1994 30.762 1995 30.016 1996 29.392 1997 28.901 1998 28.455 1999 28.021 2000 27.656 2001 26.852 2002 25.896 2003 24.794 2004 23.8 2005 23.058 2006 23.114 2007 23.242 2008 22.749 2009 22.307 2010 21.894 2011 21.634 2012 21.245 2013 20.754 2014 20.161 2015 19.524 2016 18.972 2017 18.903 2018 18.703 2019 18.451 2020 18.238 2021 17.473 2022 16.919