Year per 1,000 male adults 1960 143.771 1961 145.411 1962 151.248 1963 150.164 1964 151.162 1965 154.723 1966 153.605 1967 154.78 1968 155.252 1969 155.042 1970 158.678 1971 155.947 1972 158.082 1973 151.373 1974 149.042 1975 149.357 1976 146.853 1977 143.896 1978 141.643 1979 135.977 1980 136.774 1981 132.179 1982 132.234 1983 128.507 1984 127.945 1985 126.736 1986 127.161 1987 122.939 1988 117.482 1989 119.006 1990 116.432 1991 112.828 1992 111.081 1993 113.083 1994 107.863 1995 106.144 1996 105.666 1997 101.52 1998 99.988 1999 100.391 2000 100.046 2001 97.454 2002 94.149 2003 93.558 2004 89.467 2005 82.862 2006 80.784 2007 78.375 2008 78.423 2009 75.442 2010 74.179 2011 72.066 2012 71.928 2013 70.412 2014 67.33 2015 66.691 2016 65.56 2017 64.74 2018 63.963 2019 62.374 2020 64.743 2021 67.297