Year per 1,000 people 1960 33.482393118455036 1961 33.17574616335311 1962 32.83395845997102 1963 32.6271259693306 1964 32.171915908402966 1965 31.39264891914854 1966 31.088790714305727 1967 30.219921152208375 1968 30.327317028560735 1969 29.869240001180106 1970 29.860050664763175 1971 29.894008994969262 1972 29.647440681575155 1973 28.717662639460297 1974 29.199631491915216 1975 28.808465125643423 1976 29.01953728784959 1977 28.845626762584608 1978 28.978324862702017 1979 29.1574909737736 1980 29.31015671016943 1981 29.1410839330566 1982 29.010773952302294 1983 28.890694545936288 1984 28.70739797950678 1985 28.28455414014694 1986 28.17573615715414 1987 28.161634860437097 1988 28.174996732239908 1989 27.945564509158512 1990 27.571105701933018 1991 26.90619329434798 1992 26.65612900932919 1993 25.767974655899778 1994 25.053315867064338 1995 24.194578973881747 1996 23.79403845583441 1997 23.123343871521442 1998 22.736787204058626 1999 22.561051186662205 2000 22.37333881858707 2001 21.946091734773955 2002 21.768998875484822 2003 21.56599712531812 2004 21.439559122099986 2005 21.12156406063207 2006 20.7591298578226 2007 20.5085378509724 2008 20.361716121183445 2009 20.05710377400489 2010 19.58404181841306 2011 19.24795761373412 2012 18.98835644727985 2013 18.59827796629721 2014 18.360876397101357 2015 18.04757525275499 2016 17.790154432619563 2017 17.375301345719567 2018 16.961356052927695 2019 16.610817083190373 2020 16.34045934421297 2021 16.11860945226142 2022 15.600522036296747