Year per 1,000 people 1960 22.551121050873842 1961 22.154136496860783 1962 21.75473226287046 1963 21.587343976269594 1964 21.02393319121799 1965 20.9560511355893 1966 20.679651907640956 1967 20.19479448626948 1968 19.90246669172679 1969 19.695218620856668 1970 20.459305394045558 1971 23.684717977746832 1972 19.224137318801684 1973 18.73873552507432 1974 18.739396725553508 1975 19.430297783776574 1976 18.89984482729499 1977 17.77097204945184 1978 17.46327770339107 1979 17.134646252068805 1980 16.807454156950357 1981 16.58112836410614 1982 16.385872957366207 1983 16.856321878592066 1984 16.772260357851152 1985 16.450567530840317 1986 15.900671727414949 1987 15.435873321124935 1988 15.69985209469208 1989 14.722021599883671 1990 14.493843616794036 1991 14.66819415868214 1992 14.330633309422447 1993 13.90472411505442 1994 14.106252865047134 1995 13.12285285346198 1996 12.98553293347717 1997 12.596025084721385 1998 12.58712351606875 1999 11.79139655410061 2000 11.485159895176201 2001 11.206092027942844 2002 10.939674852005469 2003 10.632746971816843 2004 10.409323634435392 2005 10.076384574433845 2006 9.771627631420177 2007 9.542168247346364 2008 9.437581533914464 2009 9.020775811937302 2010 8.798593800712407 2011 8.470279221309386 2012 8.275991267515145 2013 8.11162886073879 2014 7.940672726393338 2015 7.771825728996961 2016 7.552723929985352 2017 7.3862850918193255 2018 7.227228716173446 2019 7.098414668447611 2020 7.339052280868564 2021 7.505236506072403 2022 7.18514147855407