Year per 1,000 male adults 1960 515.837 1961 510.544 1962 505.163 1963 499.725 1964 494.383 1965 488.251 1966 481.764 1967 474.595 1968 467.172 1969 459.449 1970 451.472 1971 443.36 1972 434.976 1973 427.654 1974 420.026 1975 412.984 1976 406.992 1977 402.021 1978 398.009 1979 395.27 1980 393.365 1981 391.666 1982 392.083 1983 392.517 1984 393.731 1985 395.785 1986 398.792 1987 402.947 1988 408.507 1989 415.782 1990 424.99 1991 436.718 1992 451.327 1993 466.732 1994 483.655 1995 500.69 1996 517.899 1997 533.936 1998 542.025 1999 549.578 2000 555.894 2001 556.458 2002 559.382 2003 548.605 2004 542.986 2005 535.908 2006 530.931 2007 519.687 2008 510.445 2009 502.293 2010 494.549 2011 482.927 2012 474.801 2013 484.375 2014 501.312 2015 450.392 2016 447.193 2017 454.778 2018 441.58 2019 431.28 2020 448.54 2021 472.339 2022 465.188