| 年份 | 也门共和国 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | - |
| 2020 | - |
| 2019 | - |
| 2018 | 4.60936 |
| 2017 | 1.89219 |
| 2016 | 0.7862 |
| 2015 | 2.10343 |
| 2014 | 11.0347 |
| 2013 | 13.6275 |
| 2012 | 19.0824 |
| 2011 | 25.9883 |
| 2010 | 23.2671 |
| 2009 | 20.4763 |
| 2008 | 33.9344 |
| 2007 | 33.3987 |
| 2006 | 41.5825 |
| 2005 | 42.3631 |
| 2004 | 35.0072 |
| 2003 | 33.0861 |
| 2002 | 31.8766 |
| 2001 | 34.1079 |
| 2000 | 42.3035 |
| 1999 | 29.6144 |
| 1998 | 22.3812 |
| 1997 | 30.886 |
| 1996 | 38.0052 |
| 1995 | 41.9067 |
| 1994 | 38.4166 |
| 1993 | 21.5357 |
| 1992 | 15.6667 |
| 1991 | 17.6428 |
| 1990 | 29.7727 |
| 1989 | - |
| 1988 | - |
| 1987 | - |
| 1986 | - |
| 1985 | - |
| 1984 | - |
| 1983 | - |
| 1982 | - |
| 1981 | - |
| 1980 | - |
| 1979 | - |
| 1978 | - |
| 1977 | - |
| 1976 | - |
| 1975 | - |
| 1974 | - |
| 1973 | - |
| 1972 | - |
| 1971 | - |
| 1970 | - |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |