Year per 1,000 female adults 1960 329.135 1961 325.325 1962 321.862 1963 318.073 1964 314.449 1965 310.81 1966 307.319 1967 303.778 1968 300.485 1969 297.213 1970 293.873 1971 290.306 1972 286.409 1973 282.166 1974 277.558 1975 272.817 1976 267.97 1977 262.829 1978 258.405 1979 255.491 1980 251.938 1981 247.681 1982 243.43 1983 239.291 1984 234.324 1985 231.692 1986 232.473 1987 237.732 1988 252.8 1989 263.397 1990 283.111 1991 306.347 1992 331.452 1993 357.143 1994 381.567 1995 405.995 1996 429.612 1997 453.805 1998 477.016 1999 498.772 2000 516.182 2001 527.326 2002 532.133 2003 529.813 2004 520.123 2005 503.403 2006 485.979 2007 451.354 2008 417.562 2009 382.267 2010 343.517 2011 317.959 2012 317.474 2013 276.868 2014 257.907 2015 237.818 2016 198.163 2017 171.355 2018 218.279 2019 208.597 2020 201.368 2021 289.76 2022 202.615