| 年份 | 吉布提 |
|---|---|
| 2023 | - |
| 2022 | 0.622996 |
| 2021 | 0.69378 |
| 2020 | 0.825448 |
| 2019 | 0.953552 |
| 2018 | 1.03883 |
| 2017 | 1.10973 |
| 2016 | 1.18289 |
| 2015 | 1.26611 |
| 2014 | 1.36318 |
| 2013 | 1.44479 |
| 2012 | 1.52599 |
| 2011 | 1.61489 |
| 2010 | 1.74964 |
| 2009 | 1.84746 |
| 2008 | 1.82479 |
| 2007 | 1.93352 |
| 2006 | 1.7191 |
| 2005 | 1.32107 |
| 2004 | 1.27495 |
| 2003 | 1.96945 |
| 2002 | 2.84492 |
| 2001 | 2.91618 |
| 2000 | 2.90146 |
| 1999 | 3.26263 |
| 1998 | 3.78794 |
| 1997 | 3.33124 |
| 1996 | 2.16052 |
| 1995 | 0.786492 |
| 1994 | 1.78619 |
| 1993 | -2.1321 |
| 1992 | -1.04791 |
| 1991 | 7.8677 |
| 1990 | 9.37462 |
| 1989 | 6.88872 |
| 1988 | 5.59268 |
| 1987 | 5.55184 |
| 1986 | 4.88006 |
| 1985 | 3.90702 |
| 1984 | 3.01836 |
| 1983 | 1.3098 |
| 1982 | 0.514641 |
| 1981 | 1.77207 |
| 1980 | 3.42131 |
| 1979 | 5.09796 |
| 1978 | 6.27542 |
| 1977 | 6.64916 |
| 1976 | 6.29222 |
| 1975 | 5.47735 |
| 1974 | 4.5548 |
| 1973 | 4.04396 |
| 1972 | 3.91529 |
| 1971 | 3.67358 |
| 1970 | 3.558 |
| 1969 | 3.05616 |
| 1968 | 2.45566 |
| 1967 | 2.62131 |
| 1966 | 2.80074 |
| 1965 | 2.903 |
| 1964 | 2.70804 |
| 1963 | 2.27216 |
| 1962 | 1.78364 |
| 1961 | 1.5134 |
| 1960 | - |