Year per 1,000 male adults 1960 225.955 1961 227.2 1962 230.953 1963 227.834 1964 221.764 1965 227.895 1966 230.427 1967 236.572 1968 239.874 1969 250.657 1970 255.725 1971 253.647 1972 256.08 1973 256.048 1974 259.54 1975 263.163 1976 264.15 1977 272.947 1978 277.186 1979 285.216 1980 291.776 1981 291.492 1982 291 1983 293.65 1984 302.317 1985 298.429 1986 272.01 1987 279.618 1988 282.053 1989 287.81 1990 299.371 1991 316.626 1992 330.076 1993 345.058 1994 359.175 1995 378.317 1996 373.737 1997 363.21 1998 346.816 1999 355.392 2000 364.962 2001 360.336 2002 362.892 2003 363.378 2004 363.588 2005 371.301 2006 357.638 2007 357.811 2008 351.018 2009 320.03 2010 306.061 2011 287.688 2012 280.559 2013 273.44 2014 267.209 2015 247.382 2016 230.95 2017 223.905 2018 228.472 2019 224.302 2020 260.366 2021 281.817 2022 343.714