| 年份 | 南苏丹 |
|---|---|
| 2023 | - |
| 2022 | 79.154 |
| 2021 | 79.486 |
| 2020 | 79.801 |
| 2019 | 80.101 |
| 2018 | 80.385 |
| 2017 | 80.654 |
| 2016 | 80.908 |
| 2015 | 81.148 |
| 2014 | 81.374 |
| 2013 | 81.585 |
| 2012 | 81.783 |
| 2011 | 81.968 |
| 2010 | 82.14 |
| 2009 | 82.299 |
| 2008 | 82.445 |
| 2007 | 82.58 |
| 2006 | 82.713 |
| 2005 | 82.846 |
| 2004 | 82.977 |
| 2003 | 83.109 |
| 2002 | 83.239 |
| 2001 | 83.368 |
| 2000 | 83.496 |
| 1999 | 83.624 |
| 1998 | 83.751 |
| 1997 | 83.877 |
| 1996 | 84.003 |
| 1995 | 84.127 |
| 1994 | 84.251 |
| 1993 | 84.374 |
| 1992 | 85.088 |
| 1991 | 85.926 |
| 1990 | 86.724 |
| 1989 | 87.483 |
| 1988 | 88.203 |
| 1987 | 88.889 |
| 1986 | 89.539 |
| 1985 | 90.156 |
| 1984 | 90.739 |
| 1983 | 91.292 |
| 1982 | 91.503 |
| 1981 | 91.492 |
| 1980 | 91.481 |
| 1979 | 91.469 |
| 1978 | 91.458 |
| 1977 | 91.447 |
| 1976 | 91.435 |
| 1975 | 91.424 |
| 1974 | 91.413 |
| 1973 | 91.401 |
| 1972 | 91.39 |
| 1971 | 91.378 |
| 1970 | 91.367 |
| 1969 | 91.355 |
| 1968 | 91.344 |
| 1967 | 91.333 |
| 1966 | 91.321 |
| 1965 | 91.31 |
| 1964 | 91.298 |
| 1963 | 91.286 |
| 1962 | 91.275 |
| 1961 | 91.263 |
| 1960 | 91.252 |