Year per 1,000 female adults 1960 138.216 1961 139.299 1962 147.514 1963 130.671 1964 124.507 1965 129.121 1966 119.202 1967 126.604 1968 125.094 1969 134.236 1970 128.177 1971 128.744 1972 122.835 1973 130.454 1974 118.4 1975 118.175 1976 118.812 1977 119.914 1978 115.819 1979 118.72 1980 123.491 1981 118.342 1982 115.953 1983 117.941 1984 113.726 1985 118.278 1986 115.384 1987 120.023 1988 118.177 1989 113.545 1990 110.87 1991 112.319 1992 114.657 1993 113.338 1994 111.33 1995 112.183 1996 119.891 1997 113.416 1998 110.229 1999 108.961 2000 103.009 2001 102.945 2002 109.809 2003 122.402 2004 126.996 2005 117.03 2006 108.117 2007 98.075 2008 86.257 2009 82.33 2010 84.281 2011 81.819 2012 81.861 2013 77.344 2014 76.828 2015 76.955 2016 72.073 2017 63.875 2018 61.15 2019 58.683 2020 60.933 2021 71.653 2022 73.597