Year per 1,000 male adults 1960 218.005 1961 216.1 1962 228.488 1963 217.944 1964 201.364 1965 206.014 1966 213.234 1967 221.833 1968 228.804 1969 237.487 1970 251.242 1971 246.676 1972 251.958 1973 249.018 1974 258.848 1975 263.973 1976 269.733 1977 272.601 1978 278.407 1979 287.507 1980 293.607 1981 292.531 1982 291.409 1983 292.402 1984 301.707 1985 286.043 1986 247.22 1987 255.974 1988 255.817 1989 276.588 1990 287.642 1991 309.779 1992 316.975 1993 361.318 1994 380.859 1995 372.327 1996 340.571 1997 314.156 1998 306.281 1999 296.759 2000 292.937 2001 311.081 2002 304.387 2003 304.451 2004 307.592 2005 331.463 2006 342.046 2007 355.587 2008 326.457 2009 286.844 2010 284.275 2011 272.305 2012 266.341 2013 265.849 2014 250.161 2015 245.418 2016 242.472 2017 212.885 2018 206.93 2019 200.925 2020 223.683