Year per 1,000 people 1960 10.915 1961 10.637 1962 10.298 1963 10.013 1964 9.77 1965 9.571 1966 9.416 1967 9.284 1968 9.176 1969 9.091 1970 9.03 1971 8.969 1972 8.894 1973 8.848 1974 8.784 1975 8.73 1976 8.675 1977 8.63 1978 8.577 1979 8.541 1980 8.502 1981 8.506 1982 8.52 1983 8.528 1984 8.526 1985 8.533 1986 8.509 1987 8.479 1988 8.458 1989 8.42 1990 8.358 1991 8.266 1992 8.218 1993 8.031 1994 7.916 1995 8.023 1996 7.977 1997 7.896 1998 7.638 1999 7.525 2000 7.399 2001 7.286 2002 7.351 2003 7.453 2004 7.402 2005 7.414 2006 7.297 2007 7.16 2008 7.288 2009 7.321 2010 7.399 2011 7.455 2012 7.513 2013 7.538 2014 7.459 2015 7.431 2016 7.475 2017 7.472 2018 7.499 2019 7.444 2020 8.026 2021 9.987 2022 9.762