| 年份 | 厄立特里亚 |
|---|---|
| 2023 | - |
| 2022 | 0.63545 |
| 2021 | 0.702401 |
| 2020 | 0.540578 |
| 2019 | 0.478927 |
| 2018 | 0.371681 |
| 2017 | -0.0893218 |
| 2016 | -0.255957 |
| 2015 | -0.494289 |
| 2014 | -0.156712 |
| 2013 | 0.378157 |
| 2012 | 0.453878 |
| 2011 | 0.959647 |
| 2010 | 1.14294 |
| 2009 | 1.67511 |
| 2008 | 1.20589 |
| 2007 | 0.155271 |
| 2006 | 0.302041 |
| 2005 | 1.10423 |
| 2004 | 2.74415 |
| 2003 | 2.8074 |
| 2002 | 2.18502 |
| 2001 | 1.65528 |
| 2000 | 0.379101 |
| 1999 | 0.327385 |
| 1998 | 0.272569 |
| 1997 | 0.165004 |
| 1996 | 3.82408 |
| 1995 | 4.48979 |
| 1994 | 2.09481 |
| 1993 | 2.18011 |
| 1992 | -6.84358 |
| 1991 | -6.13645 |
| 1990 | 1.43187 |
| 1989 | 1.64756 |
| 1988 | 1.7653 |
| 1987 | 1.83639 |
| 1986 | 1.90986 |
| 1985 | 1.96865 |
| 1984 | 2.44338 |
| 1983 | 2.52983 |
| 1982 | 2.52134 |
| 1981 | 2.51256 |
| 1980 | 2.49024 |
| 1979 | 2.47022 |
| 1978 | 2.46516 |
| 1977 | 2.45869 |
| 1976 | 2.43816 |
| 1975 | 2.43269 |
| 1974 | 2.43777 |
| 1973 | 2.43394 |
| 1972 | 2.42525 |
| 1971 | 2.4101 |
| 1970 | 2.37716 |
| 1969 | 2.34578 |
| 1968 | 2.33538 |
| 1967 | 2.09163 |
| 1966 | 2.10147 |
| 1965 | 2.10442 |
| 1964 | 2.08999 |
| 1963 | 2.06791 |
| 1962 | 2.03113 |
| 1961 | 1.97445 |
| 1960 | - |