Year per 1,000 male adults 1960 523.964 1961 520.465 1962 519.5 1963 517.345 1964 513.43 1965 510.616 1966 507.966 1967 509.266 1968 508.102 1969 503.409 1970 502.092 1971 499.116 1972 497.004 1973 493.861 1974 516.124 1975 537.544 1976 534.693 1977 529.853 1978 522.246 1979 516.661 1980 492.652 1981 486.615 1982 503.668 1983 494.685 1984 488.119 1985 485.289 1986 456.638 1987 466.942 1988 457.194 1989 470.421 1990 428.157 1991 421.04 1992 368.905 1993 362.187 1994 356.281 1995 348.901 1996 343.786 1997 343.812 1998 643.227 1999 772.718 2000 383.152 2001 335.075 2002 329.118 2003 324.867 2004 317.492 2005 310.99 2006 294.28 2007 288.468 2008 282.773 2009 274.319 2010 269.57 2011 263.619 2012 256.558 2013 255.451 2014 250.365 2015 244.416 2016 243.233 2017 239.021 2018 234.181 2019 231.268 2020 234.245 2021 245.654 2022 244.289