Year per 1,000 male adults 1960 456.271 1961 451.581 1962 443.835 1963 439.456 1964 435.951 1965 434.602 1966 430 1967 426.651 1968 425.017 1969 421.805 1970 417.341 1971 414.772 1972 413.648 1973 413.004 1974 409.736 1975 406.558 1976 407.088 1977 405.657 1978 407.201 1979 404.783 1980 404.903 1981 402.779 1982 406.629 1983 404.62 1984 401.838 1985 405.691 1986 410.706 1987 412.664 1988 419.679 1989 424.005 1990 428.173 1991 435.568 1992 429.751 1993 433.799 1994 434.439 1995 429.767 1996 427.962 1997 638.242 1998 497.903 1999 438.267 2000 411.302 2001 394.981 2002 386.864 2003 374.549 2004 360.682 2005 344.882 2006 339.404 2007 333.974 2008 325.259 2009 318.376 2010 313.485 2011 313.431 2012 305.779 2013 306.87 2014 305.682 2015 297.229 2016 300.37 2017 299.231 2018 290.9 2019 315.626 2020 304.313 2021 305.437 2022 311.581