Year per 1,000 male adults 1960 412.657 1961 407.8 1962 404.322 1963 413.98 1964 396.601 1965 394.025 1966 391.359 1967 386.484 1968 383.269 1969 379.331 1970 375.516 1971 374.025 1972 374.863 1973 376.813 1974 378.772 1975 380.725 1976 379.98 1977 381.35 1978 383.888 1979 382.924 1980 379.932 1981 379.214 1982 378.86 1983 377.108 1984 376.395 1985 377.016 1986 377.457 1987 373.324 1988 370.347 1989 374.05 1990 372.099 1991 375.215 1992 368.62 1993 362.879 1994 357.136 1995 349.209 1996 343.294 1997 341.167 1998 334.035 1999 323.955 2000 321.552 2001 324.204 2002 321.858 2003 313.46 2004 321.466 2005 305.535 2006 303.439 2007 299.069 2008 296.519 2009 292.412 2010 501.256 2011 299.163 2012 289.88 2013 288.287 2014 285.009 2015 282.932 2016 283.233 2017 279.025 2018 278.779 2019 279.393 2020 282.028 2021 297.684 2022 291.572