Year per 1,000 female adults 1960 424.656 1961 420.199 1962 413.46 1963 414.437 1964 410.436 1965 404.369 1966 405.83 1967 401.975 1968 396.297 1969 397.358 1970 393.604 1971 388.257 1972 389.325 1973 387.368 1974 387.325 1975 381.755 1976 387.308 1977 381.972 1978 378.397 1979 372.752 1980 361.569 1981 354.435 1982 348.93 1983 343.168 1984 336.072 1985 330.133 1986 323.347 1987 318.676 1988 310.585 1989 303.823 1990 299.57 1991 292.48 1992 287.053 1993 282.842 1994 281.919 1995 275.111 1996 270.336 1997 266.087 1998 263.348 1999 268.298 2000 261.537 2001 251.002 2002 245.805 2003 237.108 2004 234.913 2005 225.562 2006 219.615 2007 212.995 2008 211.729 2009 200.282 2010 191.357 2011 187.065 2012 176.96 2013 174.88 2014 163.304 2015 162.434 2016 154.115 2017 154.393 2018 154.156 2019 145.472 2020 139.036 2021 147.601 2022 140.145