Year per 1,000 female adults 1960 258.729 1961 255.148 1962 248.826 1963 243.718 1964 237.601 1965 230.662 1966 223.52 1967 217.288 1968 211.22 1969 204.547 1970 197.975 1971 191.619 1972 187.3 1973 184.922 1974 181.667 1975 180.397 1976 178.323 1977 177.269 1978 175.987 1979 175.502 1980 175.119 1981 174.492 1982 176.561 1983 173.423 1984 173.201 1985 172.789 1986 172.165 1987 171.613 1988 170.753 1989 170.324 1990 169.896 1991 167.658 1992 166.452 1993 165.233 1994 164.168 1995 162.889 1996 161.65 1997 160.487 1998 159.143 1999 158.245 2000 157.7 2001 157.997 2002 157.11 2003 156.836 2004 156.451 2005 157.788 2006 157.64 2007 157.342 2008 157.242 2009 160.434 2010 156.942 2011 156.854 2012 156.841 2013 156.786 2014 156.977 2015 156.78 2016 156.65 2017 156.729 2018 156.82 2019 156.813 2020 157.135 2021 157.164 2022 151.131