Year per 1,000 female adults 1960 252.75 1961 247.182 1962 242.288 1963 235.833 1964 230.928 1965 226.713 1966 223.739 1967 224.422 1968 233.175 1969 239.709 1970 242.328 1971 235.516 1972 240.464 1973 238.995 1974 222.413 1975 198.383 1976 191.781 1977 195.019 1978 202.717 1979 201.939 1980 197.335 1981 204.457 1982 218.408 1983 219.102 1984 199.613 1985 183.76 1986 186.324 1987 197.685 1988 211.266 1989 224.685 1990 225.245 1991 208.663 1992 188.555 1993 178.76 1994 180.342 1995 185.044 1996 183.472 1997 179.628 1998 177.014 1999 163.946 2000 148.907 2001 135.554 2002 124.49 2003 117.241 2004 116.963 2005 119.828 2006 117.073 2007 112.645 2008 114.668 2009 121.625 2010 127.455 2011 129.057 2012 125.232 2013 118.549 2014 113.487 2015 111.256 2016 111.851 2017 112.596 2018 111.464 2019 110.994 2020 110.811 2021 110.501 2022 107.04