| 年份 | 厄立特里亚 |
|---|---|
| 2023 | - |
| 2022 | 3.25763 |
| 2021 | 3.32734 |
| 2020 | 3.1651 |
| 2019 | 3.10382 |
| 2018 | 2.99777 |
| 2017 | 2.53032 |
| 2016 | 2.36637 |
| 2015 | 2.12318 |
| 2014 | 2.45621 |
| 2013 | 2.9919 |
| 2012 | 3.06012 |
| 2011 | 3.5635 |
| 2010 | 3.74047 |
| 2009 | 4.27141 |
| 2008 | 5.6181 |
| 2007 | 4.5565 |
| 2006 | 4.70876 |
| 2005 | 5.50464 |
| 2004 | 7.15054 |
| 2003 | 7.21204 |
| 2002 | 6.5899 |
| 2001 | 6.05726 |
| 2000 | 4.7901 |
| 1999 | 4.7278 |
| 1998 | 4.67944 |
| 1997 | 4.56275 |
| 1996 | 8.23605 |
| 1995 | 8.89403 |
| 1994 | 6.49692 |
| 1993 | 6.57979 |
| 1992 | -2.43348 |
| 1991 | -1.72897 |
| 1990 | 5.83612 |
| 1989 | 6.04766 |
| 1988 | 6.17384 |
| 1987 | 6.23803 |
| 1986 | 6.31782 |
| 1985 | 6.36656 |
| 1984 | 4.33507 |
| 1983 | 3.99288 |
| 1982 | 3.984 |
| 1981 | 3.98196 |
| 1980 | 3.95115 |
| 1979 | 3.93758 |
| 1978 | 3.93187 |
| 1977 | 3.91556 |
| 1976 | 3.91075 |
| 1975 | 3.89528 |
| 1974 | 3.8992 |
| 1973 | 3.90191 |
| 1972 | 3.8909 |
| 1971 | 3.87477 |
| 1970 | 3.83953 |
| 1969 | 3.80537 |
| 1968 | 3.80224 |
| 1967 | 5.61158 |
| 1966 | 5.619 |
| 1965 | 5.60929 |
| 1964 | 5.60991 |
| 1963 | 5.59143 |
| 1962 | 5.54474 |
| 1961 | 5.48853 |
| 1960 | - |