Year per 1,000 people 1960 35.16135351690896 1961 34.21445049732261 1962 39.46463995242882 1963 40.976855296198366 1964 39.46584234409078 1965 38.77958565505107 1966 37.665287905434525 1967 37.17169668466639 1968 37.39684351580711 1969 36.75640424692142 1970 36.4071673119065 1971 35.52681903854041 1972 35.12448722932005 1973 34.43834214320098 1974 33.37894656375383 1975 32.63774939567776 1976 31.64082084865804 1977 31.153709828067957 1978 30.852858697508562 1979 30.67304831425448 1980 30.723027174159103 1981 31.35147424233888 1982 31.587574373533684 1983 30.882675463495513 1984 30.5926069092317 1985 30.575174013037273 1986 30.731313844594613 1987 30.578515393434003 1988 29.921144793005414 1989 29.287411941501208 1990 28.69701504210131 1991 28.014146338967677 1992 27.24195670178782 1993 26.798044081973323 1994 26.38121874367453 1995 25.908231305987 1996 25.52054997851277 1997 25.101430232367616 1998 24.578807709702836 1999 24.06337636155632 2000 23.74935767216721 2001 23.460662364579175 2002 23.109693427937895 2003 22.763946207395264 2004 22.56024338950638 2005 22.362002082431403 2006 22.110918540741764 2007 22.040454221779502 2008 21.95983333063307 2009 21.78928084700276 2010 21.618259548359664 2011 21.771029321339295 2012 21.904934943196643 2013 21.348300840860567 2014 21.230084752708226 2015 20.60846199972771 2016 20.695401077352766 2017 20.180010592029777 2018 19.59166656782624 2019 19.19853242311363 2020 18.554727901568448 2021 18.203628158343328 2022 17.905417859077748