Year per 1,000 male adults 1960 179.645 1961 174.253 1962 181.706 1963 186.004 1964 174.159 1965 185.53 1966 176.45 1967 169.559 1968 167.987 1969 179.249 1970 176.226 1971 168.336 1972 159.937 1973 151.641 1974 138.545 1975 139.54 1976 137.33 1977 141.697 1978 141.453 1979 141.781 1980 144.048 1981 130.226 1982 145.868 1983 124.079 1984 128.067 1985 132.389 1986 122.95 1987 115.11 1988 114.926 1989 104.582 1990 103.676 1991 105.784 1992 105.294 1993 97.837 1994 91.665 1995 89.945 1996 102.858 1997 93.757 1998 91.646 1999 88.829 2000 98.555 2001 86.163 2002 89.571 2003 87.679 2004 81.886 2005 80.573 2006 82.067 2007 78.692 2008 77.136 2009 75.364 2010 64.021 2011 70.288 2012 66.413 2013 62.594 2014 56.113 2015 53.663 2016 49.224 2017 49.28 2018 49.449 2019 49.162 2020 48.614 2021 42.594 2022 47.57