| 年份 | 南苏丹 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 29.107 |
| 2020 | 29.166 |
| 2019 | 29.058 |
| 2018 | 30.147 |
| 2017 | 32.651 |
| 2016 | 35.15 |
| 2015 | 36.325 |
| 2014 | 38.48 |
| 2013 | 39.27 |
| 2012 | 39.872 |
| 2011 | 40.255 |
| 2010 | 40.18 |
| 2009 | 40.508 |
| 2008 | 40.691 |
| 2007 | 40.798 |
| 2006 | 41.565 |
| 2005 | 43.519 |
| 2004 | 45.496 |
| 2003 | 47.464 |
| 2002 | 49.484 |
| 2001 | 50.594 |
| 2000 | 51.432 |
| 1999 | 52.306 |
| 1998 | 52.842 |
| 1997 | 53.423 |
| 1996 | 53.897 |
| 1995 | 54.045 |
| 1994 | 54.453 |
| 1993 | 54.767 |
| 1992 | 55.056 |
| 1991 | 55.269 |
| 1990 | 55.467 |
| 1989 | 55.78 |
| 1988 | 55.346 |
| 1987 | 54.116 |
| 1986 | 54.292 |
| 1985 | 53.885 |
| 1984 | 52.199 |
| 1983 | 50.618 |
| 1982 | 48.595 |
| 1981 | 48.927 |
| 1980 | 49.326 |
| 1979 | 49.763 |
| 1978 | 50.202 |
| 1977 | 50.619 |
| 1976 | 51.004 |
| 1975 | 51.355 |
| 1974 | 51.682 |
| 1973 | 52.003 |
| 1972 | 52.254 |
| 1971 | 52.422 |
| 1970 | 52.467 |
| 1969 | 52.345 |
| 1968 | 52.186 |
| 1967 | 51.968 |
| 1966 | 51.651 |
| 1965 | 51.329 |
| 1964 | 51.104 |
| 1963 | 50.822 |
| 1962 | 50.489 |
| 1961 | 50.23 |
| 1960 | 49.956 |