Year per 1,000 people 1960 32.45992746255556 1961 31.92474697716596 1962 31.153866582522248 1963 30.11050327301983 1964 28.88911525591397 1965 28.038444186822932 1966 27.247494332429227 1967 26.40070030742791 1968 25.922565904218917 1969 25.75055217562753 1970 25.787307323364505 1971 26.010159016634294 1972 25.911876223026812 1973 25.59316835699513 1974 25.482126820225652 1975 25.201673540271013 1976 24.999463980165864 1977 24.74416843357695 1978 24.726963402592514 1979 24.54815043958826 1980 24.39565542690226 1981 24.28279233918878 1982 24.221648110536808 1983 24.58353503129636 1984 24.564741488123442 1985 24.36600286704897 1986 24.44208005380507 1987 23.921099022745587 1988 23.36974075847965 1989 22.44242675056928 1990 21.873573548858122 1991 21.56163414963339 1992 20.725240895933975 1993 19.983769757339612 1994 19.319545093194076 1995 18.906906717311017 1996 18.25218406877097 1997 17.63990210110173 1998 17.119356696766825 1999 16.509662522027504 2000 16.128746594436684 2001 16.009800938157145 2002 15.651611432348954 2003 15.490049291491195 2004 15.937225442693661 2005 15.94928621333425 2006 16.393699501620176 2007 16.768424235623574 2008 17.26260208532949 2009 17.29352591321647 2010 17.152408999699208 2011 17.11800989227079 2012 17.29543706103683 2013 17.4887154256729 2014 17.696214026605922 2015 17.63232602392254 2016 17.284607163918885 2017 16.61261169829922 2018 16.35624745519713 2019 16.040006603417755 2020 15.755502091872062 2021 15.713204943834874 2022 15.720884052483958