Year per 1,000 male adults 1960 491.856 1961 487.897 1962 484.667 1963 472.121 1964 467.538 1965 461.496 1966 452.295 1967 446.704 1968 436.378 1969 428.822 1970 418.34 1971 415.185 1972 405.899 1973 394.691 1974 385.184 1975 378.153 1976 370.187 1977 365.276 1978 358.826 1979 353.447 1980 346.815 1981 344.091 1982 341.093 1983 338.946 1984 338.025 1985 335.439 1986 337.588 1987 334.538 1988 333.459 1989 330.482 1990 330.231 1991 326.62 1992 322.926 1993 316.855 1994 313.572 1995 308.222 1996 308.934 1997 302.829 1998 311.765 1999 298.324 2000 297.968 2001 299.013 2002 303.585 2003 303.991 2004 309.631 2005 308.584 2006 304.478 2007 301.301 2008 298.86 2009 297.45 2010 292.363 2011 289.857 2012 289.142 2013 287.728 2014 283.128 2015 280.808 2016 279.941 2017 274.318 2018 274.989 2019 275.502 2020 267.834 2021 276.17 2022 269.868