Year per 1,000 female adults 1960 312.21 1961 296.282 1962 281.178 1963 270.958 1964 257.179 1965 250.383 1966 243.932 1967 239.127 1968 234.194 1969 236.247 1970 234.222 1971 233.445 1972 232.387 1973 245.706 1974 240.041 1975 238.049 1976 236.262 1977 233.597 1978 231.663 1979 226.821 1980 236.516 1981 241.69 1982 242.781 1983 233.582 1984 224.008 1985 213.442 1986 208.602 1987 206.622 1988 204.085 1989 203.548 1990 201.566 1991 200.485 1992 199.447 1993 198.939 1994 196.64 1995 195.257 1996 194.477 1997 195.089 1998 191.418 1999 190.585 2000 198.724 2001 199.977 2002 210.564 2003 205.294 2004 202.696 2005 200.114 2006 198.127 2007 199.134 2008 196.772 2009 193.759 2010 190.686 2011 187.024 2012 188.096 2013 188.953 2014 189.179 2015 195.036 2016 190.714 2017 182.922 2018 181.906 2019 180.315 2020 179.223 2021 189.249 2022 176.54