Year per 1,000 people 1960 54.408 1961 54.704 1962 54.784 1963 54.943 1964 55.318 1965 55.422 1966 55.646 1967 55.724 1968 55.527 1969 55.168 1970 55.138 1971 55.067 1972 55.02 1973 54.674 1974 54.486 1975 54.637 1976 54.505 1977 54.501 1978 54.198 1979 54.735 1980 54.635 1981 54.372 1982 54.209 1983 53.995 1984 53.537 1985 53.244 1986 52.834 1987 52.377 1988 51.882 1989 51.199 1990 50.636 1991 50.021 1992 49.388 1993 48.668 1994 47.452 1995 46.071 1996 43.273 1997 42.498 1998 41.478 1999 41.105 2000 40.24 2001 39.236 2002 38.654 2003 38.546 2004 38.214 2005 37.917 2006 37.776 2007 37.177 2008 36.722 2009 36.2 2010 35.791 2011 35.49 2012 35.125 2013 34.794 2014 34.428 2015 33.933 2016 33.348 2017 32.713 2018 32.305 2019 31.778 2020 31.252 2021 30.544 2022 29.919