Year per 1,000 female adults 1960 421.433 1961 417.946 1962 417.498 1963 413.621 1964 412.196 1965 405.965 1966 398.894 1967 389.689 1968 373.022 1969 357.665 1970 347.485 1971 341.695 1972 341.153 1973 326.471 1974 324.846 1975 323.346 1976 318.418 1977 309.85 1978 303.495 1979 294.291 1980 286.716 1981 279.393 1982 278.377 1983 276.042 1984 273.179 1985 275.859 1986 278.572 1987 282.938 1988 289.626 1989 298.096 1990 317.09 1991 324.228 1992 335.965 1993 350.192 1994 355.02 1995 367.129 1996 379.692 1997 398.824 1998 408.439 1999 395.338 2000 397.52 2001 390.835 2002 388.563 2003 378.825 2004 374.784 2005 369.878 2006 361.285 2007 354.485 2008 350.356 2009 339.706 2010 304.36 2011 282.997 2012 262.101 2013 241.458 2014 225.06 2015 211.721 2016 201.52 2017 194.219 2018 188.809 2019 183.017 2020 188.043 2021 192.208 2022 185.269