Year per 1,000 male adults 1960 540.229 1961 539.956 1962 539.933 1963 535.692 1964 532.768 1965 533.691 1966 531.397 1967 529.88 1968 526.472 1969 524.395 1970 521.138 1971 519.819 1972 508.518 1973 501.75 1974 490.945 1975 480.271 1976 465.296 1977 452.744 1978 439.788 1979 426.946 1980 415.275 1981 411.726 1982 407.781 1983 406.292 1984 404.741 1985 401.126 1986 392.967 1987 386.981 1988 379.779 1989 370.74 1990 362.791 1991 352.065 1992 352.011 1993 355.654 1994 360.191 1995 358.164 1996 358.67 1997 350.617 1998 341.897 1999 334.038 2000 326.82 2001 323.032 2002 316.546 2003 313.651 2004 310.809 2005 309.725 2006 304.723 2007 303.674 2008 303.761 2009 299.599 2010 297.009 2011 296.038 2012 296.724 2013 298.985 2014 292.669 2015 289.451 2016 284.615 2017 284.189 2018 287.255 2019 284.075 2020 312.723 2021 311.356 2022 305.841