| 年份 | 也门共和国 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | - |
| 2020 | - |
| 2019 | - |
| 2018 | 4.53131 |
| 2017 | 1.76929 |
| 2016 | 0.681566 |
| 2015 | 1.67263 |
| 2014 | 8.92235 |
| 2013 | 11.0549 |
| 2012 | 16.9785 |
| 2011 | 23.4171 |
| 2010 | 22.1394 |
| 2009 | 20.2372 |
| 2008 | 33.8912 |
| 2007 | 33.355 |
| 2006 | 41.5226 |
| 2005 | 42.2992 |
| 2004 | 34.9371 |
| 2003 | 32.998 |
| 2002 | 31.7805 |
| 2001 | 33.9683 |
| 2000 | 42.1826 |
| 1999 | 29.5195 |
| 1998 | 22.2125 |
| 1997 | 30.7272 |
| 1996 | 37.8379 |
| 1995 | 41.7176 |
| 1994 | 38.2667 |
| 1993 | 21.4012 |
| 1992 | 15.5653 |
| 1991 | 17.5141 |
| 1990 | 29.6537 |
| 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 | - |