Year per 1,000 female adults 1960 397.019 1961 391.409 1962 390.78 1963 391.749 1964 390.084 1965 390.082 1966 388.582 1967 388.061 1968 387.403 1969 386.934 1970 385.598 1971 384.422 1972 383.791 1973 382.911 1974 381.838 1975 378.04 1976 376.824 1977 373.861 1978 372.097 1979 372.385 1980 369.584 1981 389.735 1982 385.721 1983 385.854 1984 396.041 1985 391.72 1986 372.905 1987 371.696 1988 358.31 1989 356.731 1990 351.924 1991 352.486 1992 354.075 1993 355.943 1994 365.99 1995 368.311 1996 369.818 1997 364.279 1998 366.668 1999 365.795 2000 366.16 2001 373.868 2002 375.247 2003 389.229 2004 395.081 2005 401.465 2006 403.384 2007 398.6 2008 391.082 2009 386.314 2010 376.276 2011 364.691 2012 347.634 2013 328.273 2014 311.432 2015 293.808 2016 273.924 2017 258.86 2018 237.235 2019 224.848 2020 219.484 2021 260.731 2022 253.029