| 年份 | 安哥拉  | 
                                                            
|---|---|
| 2023 | - | 
| 2022 | 0.395822 | 
| 2021 | 0.399088 | 
| 2020 | 0.39935 | 
| 2019 | 0.393866 | 
| 2018 | 0.384526 | 
| 2017 | 0.373346 | 
| 2016 | 0.361524 | 
| 2015 | 0.348994 | 
| 2014 | 0.33583 | 
| 2013 | 0.322698 | 
| 2012 | 0.309692 | 
| 2011 | 0.296982 | 
| 2010 | 0.284814 | 
| 2009 | 0.273147 | 
| 2008 | 0.262295 | 
| 2007 | 0.252223 | 
| 2006 | 0.243202 | 
| 2005 | 0.235719 | 
| 2004 | 0.229622 | 
| 2003 | 0.224917 | 
| 2002 | 0.22187 | 
| 2001 | 0.219803 | 
| 2000 | 0.218231 | 
| 1999 | 0.217149 | 
| 1998 | 0.216456 | 
| 1997 | 0.215997 | 
| 1996 | 0.215688 | 
| 1995 | 0.215899 | 
| 1994 | 0.216576 | 
| 1993 | 0.218016 | 
| 1992 | 0.220799 | 
| 1991 | 0.224082 | 
| 1990 | 0.228076 | 
| 1989 | 0.233469 | 
| 1988 | 0.239661 | 
| 1987 | 0.246727 | 
| 1986 | 0.25367 | 
| 1985 | 0.260032 | 
| 1984 | 0.26638 | 
| 1983 | 0.272832 | 
| 1982 | 0.2785 | 
| 1981 | 0.282933 | 
| 1980 | 0.286625 | 
| 1979 | 0.289474 | 
| 1978 | 0.291287 | 
| 1977 | 0.292011 | 
| 1976 | 0.291382 | 
| 1975 | 0.289041 | 
| 1974 | 0.284645 | 
| 1973 | 0.277972 | 
| 1972 | 0.270348 | 
| 1971 | 0.264677 | 
| 1970 | 0.264801 | 
| 1969 | 0.268252 | 
| 1968 | 0.272977 | 
| 1967 | 0.28097 | 
| 1966 | 0.290366 | 
| 1965 | 0.300306 | 
| 1964 | 0.310959 | 
| 1963 | 0.321932 | 
| 1962 | 0.332976 | 
| 1961 | 0.344495 | 
| 1960 | 0.348378 |