Year per 1,000 female adults 1960 429.771 1961 427.273 1962 428.227 1963 427.822 1964 423.353 1965 421.457 1966 421.406 1967 415.839 1968 414.322 1969 412.137 1970 404.551 1971 402.046 1972 401.528 1973 401.445 1974 399.22 1975 394.08 1976 388.465 1977 386.883 1978 376.603 1979 373.316 1980 370.45 1981 365.953 1982 366.102 1983 366.229 1984 358.322 1985 353.527 1986 348.927 1987 336.8 1988 333.095 1989 319.464 1990 313.504 1991 300.018 1992 289.515 1993 272.367 1994 261.206 1995 252.398 1996 242.938 1997 233.58 1998 219.217 1999 215.178 2000 210.653 2001 200.633 2002 200.404 2003 190.12 2004 181.871 2005 174.605 2006 172.609 2007 168.506 2008 171.903 2009 168.538 2010 171.739 2011 165.196 2012 165.636 2013 158.705 2014 159.766 2015 171.946 2016 152.419 2017 152.218 2018 152.864 2019 143.707 2020 144.182 2021 156.14 2022 134.04