Year per 1,000 female adults 1960 115.82782549373276 1961 112.00675336569304 1962 114.02099115882137 1963 111.7141984886904 1964 107.45820166905959 1965 106.86794529322 1966 104.47804683969194 1967 104.28049925625581 1968 103.8129682961638 1969 106.47336468929477 1970 101.9770387145426 1971 101.77734313761368 1972 99.33184526602965 1973 98.76849322054 1974 96.10741770375574 1975 95.60433246306677 1976 94.68387669538053 1977 92.49076672190007 1978 91.27436770970432 1979 90.19831517943786 1980 90.1883090698279 1981 87.88870634019386 1982 86.23092356005232 1983 86.91089049686532 1984 84.60839906010823 1985 84.34745896481895 1986 83.05215380875028 1987 82.18871630596102 1988 80.67322927296941 1989 80.02190909923155 1990 78.71656903338811 1991 78.57598516663857 1992 77.12870122539275 1993 76.50155705628273 1994 75.25304661191177 1995 74.54683423611702 1996 73.15735661418609 1997 71.36737456873087 1998 69.80749526870974 1999 69.01344642224696 2000 67.63240223996948 2001 66.56735567320354 2002 65.84748378463777 2003 65.88522359784999 2004 64.01196377484675 2005 62.77241366585081 2006 61.00025883402091 2007 59.859138462921116 2008 58.4109166240227 2009 57.419254314902666 2010 55.59853291925979 2011 54.941539642291126 2012 53.57436496982147 2013 52.441898810090144 2014 50.90239651910702 2015 50.97946543076968 2016 49.70547413031195 2017 48.73518637315691 2018 48.140197861180184 2019 46.67661722138836 2020 46.319444474589865