Year per 1,000 female adults 1960 311.061 1961 312.95 1962 305.384 1963 302.594 1964 296.608 1965 294.06 1966 290.595 1967 288.671 1968 282.792 1969 279.804 1970 277.141 1971 275.106 1972 269.209 1973 297.247 1974 333.45 1975 254.628 1976 249.009 1977 244.319 1978 239.527 1979 233.645 1980 227.728 1981 223.485 1982 214.527 1983 207.601 1984 202.568 1985 204.597 1986 195.627 1987 188.903 1988 188.763 1989 181.81 1990 177.675 1991 171.639 1992 170.459 1993 166.166 1994 166.185 1995 159.482 1996 156.971 1997 156.302 1998 228.985 1999 149.911 2000 148.973 2001 143.01 2002 143.134 2003 143.658 2004 137.343 2005 138.876 2006 138.714 2007 140.172 2008 140.854 2009 134.222 2010 129.821 2011 123.529 2012 118.592 2013 114.729 2014 114.164 2015 110.132 2016 110.146 2017 109.881 2018 109.318 2019 109.784 2020 124.302 2021 144.006 2022 135.295