| 年份 | 也门共和国 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 10.629 |
| 2020 | 10.629 |
| 2019 | 10.5729 |
| 2018 | 1.64859 |
| 2017 | 12.7322 |
| 2016 | 18.9824 |
| 2015 | 1.79496 |
| 2014 | 22.4318 |
| 2013 | 30.3764 |
| 2012 | 16.0226 |
| 2011 | 12.4031 |
| 2010 | 19.4578 |
| 2009 | 12.041 |
| 2008 | 14.6345 |
| 2007 | 21.4066 |
| 2006 | 8.42358 |
| 2005 | 3.80808 |
| 2004 | 13.6642 |
| 2003 | 4.49681 |
| 2002 | 8.19788 |
| 2001 | 11.1187 |
| 2000 | 9.83689 |
| 1999 | 9.75048 |
| 1998 | 11.2551 |
| 1997 | 12.01 |
| 1996 | 4.91803 |
| 1995 | 8.02205 |
| 1994 | 7.19115 |
| 1993 | 6.78175 |
| 1992 | 10.5951 |
| 1991 | 12.8272 |
| 1990 | 14.7466 |
| 1989 | 12.6176 |
| 1988 | 12.936 |
| 1987 | 6.77326 |
| 1986 | 11.793 |
| 1985 | 13.6297 |
| 1984 | 14.2398 |
| 1983 | 11.4079 |
| 1982 | 9.04678 |
| 1981 | 8.76023 |
| 1980 | 8.28624 |
| 1979 | 10.7174 |
| 1978 | 8.13187 |
| 1977 | 2.15627 |
| 1976 | 2.23918 |
| 1975 | 4.44754 |
| 1974 | 1.06273 |
| 1973 | 0.9 |
| 1972 | 0.527881 |
| 1971 | 0.298507 |
| 1970 | 0.0750751 |
| 1969 | 0.406179 |
| 1968 | 0.026475 |
| 1967 | 0.015186 |
| 1966 | 0.0114504 |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |