Year per 1,000 people 1960 50.359 1961 49.868 1962 49.339 1963 48.919 1964 48.424 1965 48.091 1966 47.799 1967 47.724 1968 47.602 1969 47.457 1970 47.465 1971 47.4 1972 47.248 1973 46.981 1974 46.614 1975 46.288 1976 45.849 1977 45.328 1978 44.772 1979 44.271 1980 43.652 1981 43.026 1982 42.482 1983 41.68 1984 40.93 1985 40.198 1986 39.41 1987 38.668 1988 38.009 1989 37.147 1990 36.317 1991 35.509 1992 34.593 1993 33.697 1994 32.665 1995 31.708 1996 30.823 1997 29.851 1998 29.047 1999 28.298 2000 27.61 2001 27.002 2002 26.473 2003 26.005 2004 25.576 2005 25.204 2006 24.945 2007 24.716 2008 24.502 2009 24.307 2010 24.105 2011 23.881 2012 23.647 2013 23.385 2014 23.103 2015 22.797 2016 22.459 2017 22.09 2018 21.704 2019 21.305 2020 20.903 2021 20.507 2022 20.018