Year per 1,000 male adults 1960 142.456 1961 148.742 1962 151.456 1963 153.279 1964 148.384 1965 154.843 1966 148.616 1967 150.656 1968 152.267 1969 157.727 1970 158.199 1971 154.287 1972 153.342 1973 154.841 1974 152.795 1975 149.982 1976 147.996 1977 150.258 1978 146.157 1979 148.489 1980 146.518 1981 142.89 1982 143.489 1983 141.316 1984 137.271 1985 140.496 1986 138.078 1987 140.156 1988 135.988 1989 131.553 1990 127.55 1991 124.126 1992 122.745 1993 115.746 1994 111.776 1995 113.537 1996 106.706 1997 104.405 1998 108.449 1999 103.474 2000 106.629 2001 101.212 2002 99.014 2003 94.188 2004 92.071 2005 88.359 2006 85.973 2007 81.324 2008 82.741 2009 82.932 2010 79.608 2011 79.947 2012 73.747 2013 75.058 2014 69.462 2015 65.805 2016 65.857 2017 61.92 2018 62.496 2019 60.834 2020 59.917 2021 57.611 2022 61.947