Year per 1,000 female adults 1960 428.253 1961 418.918 1962 412.036 1963 403.412 1964 395.153 1965 392.524 1966 383.449 1967 380.084 1968 377.54 1969 371.409 1970 393.714 1971 392.884 1972 384.225 1973 389.853 1974 395.412 1975 845.011 1976 973.382 1977 701.766 1978 430.377 1979 371.314 1980 343.24 1981 334.09 1982 329.036 1983 322.107 1984 314.491 1985 306.291 1986 307.69 1987 298.753 1988 292.772 1989 281.628 1990 276.385 1991 274.163 1992 271.877 1993 270.506 1994 271.018 1995 267.905 1996 264.025 1997 261.02 1998 258.432 1999 251.795 2000 242.889 2001 230.855 2002 218.723 2003 206.715 2004 201.155 2005 195.687 2006 188.43 2007 182.199 2008 174.647 2009 162.053 2010 161.782 2011 151.308 2012 150.124 2013 142.717 2014 141.651 2015 141.294 2016 133.372 2017 134.235 2018 134.103 2019 133.768 2020 134.767 2021 138.475 2022 135.442