Year per 1,000 people 1960 43.445317966076054 1961 43.284965967056245 1962 43.11571717643339 1963 42.90588981637334 1964 42.699628732819995 1965 42.33587157623014 1966 41.93926155531482 1967 41.666865198568985 1968 41.31098057298911 1969 40.92832724137682 1970 40.68960261121614 1971 40.59159002024904 1972 40.34953420510242 1973 40.11984780594166 1974 39.81403444782207 1975 39.22313416434121 1976 39.007948804651214 1977 38.40610728461676 1978 37.992864751272236 1979 37.892140456093706 1980 37.83229815108341 1981 37.689114914462046 1982 37.32542942766711 1983 36.94983419709349 1984 36.67716696325836 1985 36.17241565943694 1986 35.950643160540515 1987 35.22068539369564 1988 34.67844840057232 1989 34.108799810732755 1990 33.384655981215644 1991 32.882705508196636 1992 32.33668929630535 1993 31.69600342335728 1994 31.285278415929994 1995 30.746851853934768 1996 30.178641396254548 1997 29.706448484006 1998 29.220846854718157 1999 28.71319873765277 2000 28.40003941570677 2001 28.093067546475755 2002 27.49924585054844 2003 26.82504959554454 2004 26.184349548672568 2005 25.399664829332615 2006 24.72099591378819 2007 24.27927099724518 2008 23.803328177962733 2009 23.443880185724566 2010 22.9772672466499 2011 22.50741135179658 2012 22.05775066572937 2013 21.62344119440018 2014 20.838247768212447 2015 20.495524546096878 2016 20.226961822157786 2017 19.678024939877357 2018 19.430374561309474 2019 18.932680974297877 2020 18.516246909994532 2021 18.33656088342684 2022 18.158021165372826