| 年份 | 南苏丹  | 
                                                            
|---|---|
| 2023 | - | 
| 2022 | 4.63079 | 
| 2021 | 4.73032 | 
| 2020 | 4.80483 | 
| 2019 | 4.85014 | 
| 2018 | 4.88518 | 
| 2017 | 4.93587 | 
| 2016 | 4.978 | 
| 2015 | 4.96583 | 
| 2014 | 4.92508 | 
| 2013 | 4.85841 | 
| 2012 | 4.74798 | 
| 2011 | 4.62597 | 
| 2010 | 4.49223 | 
| 2009 | 4.37254 | 
| 2008 | 4.27572 | 
| 2007 | 4.18211 | 
| 2006 | 4.09821 | 
| 2005 | 4.02901 | 
| 2004 | 3.97229 | 
| 2003 | 3.92728 | 
| 2002 | 3.89452 | 
| 2001 | 3.86698 | 
| 2000 | 3.83852 | 
| 1999 | 3.80866 | 
| 1998 | 3.76995 | 
| 1997 | 3.73113 | 
| 1996 | 3.70061 | 
| 1995 | 3.66321 | 
| 1994 | 3.63356 | 
| 1993 | 3.6474 | 
| 1992 | 3.71219 | 
| 1991 | 3.80996 | 
| 1990 | 3.93512 | 
| 1989 | 4.06142 | 
| 1988 | 4.0902 | 
| 1987 | 4.09053 | 
| 1986 | 4.12335 | 
| 1985 | 4.13869 | 
| 1984 | 4.15222 | 
| 1983 | 4.16471 | 
| 1982 | 4.17472 | 
| 1981 | 4.18548 | 
| 1980 | 4.20078 | 
| 1979 | 4.21937 | 
| 1978 | 4.24083 | 
| 1977 | 4.26452 | 
| 1976 | 4.2908 | 
| 1975 | 4.32028 | 
| 1974 | 4.35248 | 
| 1973 | 4.38648 | 
| 1972 | 4.42464 | 
| 1971 | 4.4662 | 
| 1970 | 4.51008 | 
| 1969 | 4.55333 | 
| 1968 | 4.58938 | 
| 1967 | 4.61753 | 
| 1966 | 4.63919 | 
| 1965 | 4.65298 | 
| 1964 | 4.65766 | 
| 1963 | 4.65742 | 
| 1962 | 4.65499 | 
| 1961 | 4.65103 | 
| 1960 | 4.64723 |