| 年份 | 南苏丹 |
|---|---|
| 2023 | - |
| 2022 | 87.8128 |
| 2021 | 90.6961 |
| 2020 | 93.4166 |
| 2019 | 96.5434 |
| 2018 | 98.14 |
| 2017 | 94.6975 |
| 2016 | 88.7365 |
| 2015 | 85.4268 |
| 2014 | 82.6275 |
| 2013 | 80.3325 |
| 2012 | 80.4847 |
| 2011 | 81.3511 |
| 2010 | 83.4954 |
| 2009 | 85.8099 |
| 2008 | 87.6299 |
| 2007 | 89.9826 |
| 2006 | 92.6354 |
| 2005 | 95.2171 |
| 2004 | 97.5075 |
| 2003 | 98.6736 |
| 2002 | 98.4378 |
| 2001 | 98.0851 |
| 2000 | 98.3158 |
| 1999 | 98.7999 |
| 1998 | 99.8123 |
| 1997 | 100.275 |
| 1996 | 99.2176 |
| 1995 | 97.857 |
| 1994 | 96.7738 |
| 1993 | 95.5877 |
| 1992 | 94.1171 |
| 1991 | 92.8652 |
| 1990 | 91.8056 |
| 1989 | 90.5058 |
| 1988 | 92.445 |
| 1987 | 94.3908 |
| 1986 | 93.163 |
| 1985 | 92.1102 |
| 1984 | 91.1123 |
| 1983 | 90.3352 |
| 1982 | 89.8971 |
| 1981 | 89.623 |
| 1980 | 89.2882 |
| 1979 | 88.9425 |
| 1978 | 88.5847 |
| 1977 | 88.1983 |
| 1976 | 87.8097 |
| 1975 | 87.427 |
| 1974 | 87.0381 |
| 1973 | 86.6267 |
| 1972 | 86.1706 |
| 1971 | 85.6558 |
| 1970 | 85.088 |
| 1969 | 84.464 |
| 1968 | 83.7632 |
| 1967 | 82.9765 |
| 1966 | 82.1055 |
| 1965 | 81.157 |
| 1964 | 80.3546 |
| 1963 | 79.907 |
| 1962 | 79.7979 |
| 1961 | 79.9365 |
| 1960 | 80.1888 |