Year per 1,000 people 1960 47.47795332352074 1961 47.18730038211479 1962 47.34853233007113 1963 46.89631208665717 1964 46.47994271130749 1965 46.01861229654441 1966 45.67902201755996 1967 45.28082926624467 1968 44.87718432655668 1969 44.52290490256818 1970 44.061848889481766 1971 43.65730060770152 1972 43.13883154986917 1973 42.681978215354604 1974 42.48910830431241 1975 42.389348069495355 1976 42.28415005786909 1977 42.01278295972082 1978 41.86843686687957 1979 41.91605822405576 1980 41.61031574262969 1981 41.140526525980796 1982 40.897417201090335 1983 40.39994673625531 1984 39.70618726522289 1985 38.9050065509192 1986 37.884447491040554 1987 36.73694986797435 1988 35.603450774212604 1989 34.40377469221639 1990 33.404663877188995 1991 32.470217189195125 1992 31.529791726738676 1993 30.379739657616277 1994 29.08782877691218 1995 27.855089022534578 1996 26.76600765829581 1997 26.040787784147543 1998 25.54881340493006 1999 25.14370366225211 2000 24.83139890315539 2001 24.580134111776513 2002 24.29433249428548 2003 24.192452258612647 2004 24.0704463173118 2005 24.00779593849976 2006 24.048330356362033 2007 24.208327721909082 2008 24.26103990350899 2009 24.296845334904585 2010 24.534705684716048 2011 24.682374481759517 2012 24.82599779708712 2013 24.785521732230208 2014 24.538066197944865 2015 24.01580035216872 2016 23.045558378472236 2017 22.555494608502407 2018 21.887914742788283 2019 21.058566234051003 2020 20.59968821310541 2021 20.142048960418784 2022 19.697020460478562