Year per 1,000 female adults 1960 392.8 1961 387.779 1962 399.382 1963 376.425 1964 371.91 1965 367.684 1966 357.269 1967 353.496 1968 354.26 1969 337.628 1970 328.378 1971 318.242 1972 317.8 1973 297.443 1974 287.444 1975 278.143 1976 268.639 1977 259.359 1978 277.361 1979 238.02 1980 232.338 1981 231.351 1982 220.287 1983 207.414 1984 195.802 1985 187.396 1986 181.188 1987 180.141 1988 172.866 1989 161.996 1990 183.57 1991 154.614 1992 149.087 1993 147.207 1994 141.636 1995 140.487 1996 130.993 1997 129.873 1998 124.575 1999 120.787 2000 117.106 2001 113.466 2002 109.985 2003 122.949 2004 103.012 2005 88.443 2006 86.977 2007 87.374 2008 94.103 2009 100.907 2010 92.21 2011 84.109 2012 79.85 2013 78.193 2014 72.435 2015 69.95 2016 66.922 2017 61.3 2018 62.474 2019 64.742 2020 85.824 2021 78.881 2022 73.969