Year per 1,000 female adults 1960 98.977 1961 100.078 1962 99.614 1963 97.679 1964 92.991 1965 91.239 1966 90.661 1967 85.962 1968 90.407 1969 89.831 1970 86.999 1971 88.192 1972 83.818 1973 80.168 1974 77.26 1975 77.065 1976 73.821 1977 72.863 1978 74.863 1979 76.037 1980 73.258 1981 70.25 1982 70.902 1983 67.396 1984 67.019 1985 66.303 1986 64.265 1987 62.766 1988 63.843 1989 63.479 1990 62.312 1991 62.39 1992 61.222 1993 60.83 1994 61.027 1995 61.514 1996 57.374 1997 57.52 1998 55.17 1999 53.69 2000 53.915 2001 51.67 2002 51.977 2003 50.145 2004 47.738 2005 46.004 2006 46.738 2007 45.549 2008 42.969 2009 42.165 2010 42.675 2011 40.045 2012 39.904 2013 38.848 2014 36.652 2015 36.484 2016 35.896 2017 34.265 2018 35.152 2019 32.207 2020 32.498 2021 33.004 2022 32.409