| 年份 | 厄立特里亚 |
|---|---|
| 2023 | - |
| 2022 | 3.02295 |
| 2021 | 3.0055 |
| 2020 | 2.98298 |
| 2019 | 2.95699 |
| 2018 | 2.92916 |
| 2017 | 2.89756 |
| 2016 | 2.86114 |
| 2015 | 2.82099 |
| 2014 | 2.78003 |
| 2013 | 2.73882 |
| 2012 | 2.69681 |
| 2011 | 2.65551 |
| 2010 | 2.61581 |
| 2009 | 2.57775 |
| 2008 | 2.54267 |
| 2007 | 2.51157 |
| 2006 | 2.48635 |
| 2005 | 2.45772 |
| 2004 | 2.47058 |
| 2003 | 2.53039 |
| 2002 | 2.61468 |
| 2001 | 2.73396 |
| 2000 | 2.87802 |
| 1999 | 2.98627 |
| 1998 | 3.04429 |
| 1997 | 3.07387 |
| 1996 | 3.06963 |
| 1995 | 3.07179 |
| 1994 | 3.07461 |
| 1993 | 3.07087 |
| 1992 | 3.07051 |
| 1991 | 3.06818 |
| 1990 | 3.06603 |
| 1989 | 3.06254 |
| 1988 | 3.05829 |
| 1987 | 3.05137 |
| 1986 | 3.04287 |
| 1985 | 3.0347 |
| 1984 | 3.02594 |
| 1983 | 3.01479 |
| 1982 | 3.00223 |
| 1981 | 2.98973 |
| 1980 | 2.97789 |
| 1979 | 2.96652 |
| 1978 | 2.95494 |
| 1977 | 2.94329 |
| 1976 | 2.93072 |
| 1975 | 2.9161 |
| 1974 | 2.89903 |
| 1973 | 2.8793 |
| 1972 | 2.85815 |
| 1971 | 2.83738 |
| 1970 | 2.81857 |
| 1969 | 2.80168 |
| 1968 | 2.78654 |
| 1967 | 2.77321 |
| 1966 | 2.76036 |
| 1965 | 2.74737 |
| 1964 | 2.73443 |
| 1963 | 2.72231 |
| 1962 | 2.71069 |
| 1961 | 2.69817 |
| 1960 | 2.68474 |