Year per 1,000 female adults 1960 241.89 1961 231.481 1962 221.495 1963 208.119 1964 199.77 1965 202.501 1966 209.798 1967 208.522 1968 196.956 1969 191.282 1970 185.605 1971 182.355 1972 177.11 1973 172.33 1974 167.665 1975 163.268 1976 159.609 1977 169.919 1978 167.776 1979 165.399 1980 161.979 1981 157.198 1982 154.77 1983 164.636 1984 148.295 1985 146.011 1986 143.247 1987 144.14 1988 142.378 1989 140.728 1990 138.783 1991 136.702 1992 134.653 1993 132.423 1994 130.256 1995 126.563 1996 124.928 1997 123.353 1998 121.67 1999 122.96 2000 127.842 2001 125.873 2002 126.847 2003 124.288 2004 142.926 2005 119.33 2006 117.77 2007 112.157 2008 112.374 2009 106.807 2010 108.028 2011 102.979 2012 103.343 2013 101.816 2014 99.275 2015 97.064 2016 97.127 2017 95.471 2018 93.393 2019 91.305 2020 89.353 2021 87.191 2022 91.726