Year per 1,000 people 1960 25.985 1961 24.413 1962 22.903 1963 21.676 1964 20.202 1965 18.986 1966 17.846 1967 16.78 1968 15.629 1969 14.535 1970 13.52 1971 12.584 1972 11.685 1973 10.989 1974 10.14 1975 9.378 1976 8.649 1977 8.163 1978 7.69 1979 7.281 1980 6.878 1981 6.544 1982 6.263 1983 5.953 1984 5.707 1985 5.521 1986 5.319 1987 5.142 1988 4.972 1989 4.823 1990 4.663 1991 4.524 1992 4.395 1993 4.348 1994 4.281 1995 4.198 1996 4.187 1997 4.3 1998 4.385 1999 4.469 2000 4.686 2001 4.683 2002 4.669 2003 4.653 2004 4.549 2005 4.53 2006 4.491 2007 4.504 2008 4.42 2009 4.449 2010 4.512 2011 5.479 2012 5.028 2013 5.056 2014 5.43 2015 5.427 2016 5.48 2017 5.284 2018 5.245 2019 5.454 2020 5.598 2021 6.018 2022 5.954