| 年份 | 南苏丹 |
|---|---|
| 2023 | - |
| 2022 | 82.3845 |
| 2021 | 85.2673 |
| 2020 | 87.9997 |
| 2019 | 91.1478 |
| 2018 | 92.8277 |
| 2017 | 89.6084 |
| 2016 | 83.9012 |
| 2015 | 80.7211 |
| 2014 | 78.0063 |
| 2013 | 75.773 |
| 2012 | 75.9272 |
| 2011 | 76.7847 |
| 2010 | 78.8906 |
| 2009 | 81.1656 |
| 2008 | 82.9576 |
| 2007 | 85.2697 |
| 2006 | 87.8737 |
| 2005 | 90.4048 |
| 2004 | 92.6486 |
| 2003 | 93.7926 |
| 2002 | 93.5649 |
| 2001 | 93.2228 |
| 2000 | 93.4544 |
| 1999 | 93.9371 |
| 1998 | 94.8783 |
| 1997 | 95.28 |
| 1996 | 94.2554 |
| 1995 | 92.9383 |
| 1994 | 91.9081 |
| 1993 | 90.7717 |
| 1992 | 89.3377 |
| 1991 | 88.128 |
| 1990 | 87.1161 |
| 1989 | 85.868 |
| 1988 | 87.6168 |
| 1987 | 89.3541 |
| 1986 | 88.1492 |
| 1985 | 87.1297 |
| 1984 | 86.1655 |
| 1983 | 85.4248 |
| 1982 | 85.0292 |
| 1981 | 84.8023 |
| 1980 | 84.5162 |
| 1979 | 84.2173 |
| 1978 | 83.9053 |
| 1977 | 83.5654 |
| 1976 | 83.2187 |
| 1975 | 82.8739 |
| 1974 | 82.5219 |
| 1973 | 82.1473 |
| 1972 | 81.7068 |
| 1971 | 81.182 |
| 1970 | 80.5634 |
| 1969 | 79.8436 |
| 1968 | 79.0409 |
| 1967 | 78.1463 |
| 1966 | 77.1509 |
| 1965 | 76.0911 |
| 1964 | 75.2169 |
| 1963 | 74.6758 |
| 1962 | 74.4565 |
| 1961 | 74.5039 |
| 1960 | 74.6632 |