| 年份 | 也门共和国 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | - |
| 2020 | - |
| 2019 | - |
| 2018 | - |
| 2017 | - |
| 2016 | - |
| 2015 | - |
| 2014 | 3.96689 |
| 2013 | 4.07953 |
| 2012 | 4.57388 |
| 2011 | 4.92646 |
| 2010 | 4.68556 |
| 2009 | 5.65365 |
| 2008 | 4.44583 |
| 2007 | 4.85072 |
| 2006 | 4.30847 |
| 2005 | 4.86832 |
| 2004 | 5.30137 |
| 2003 | 6.85455 |
| 2002 | 6.89561 |
| 2001 | 5.48101 |
| 2000 | 4.91539 |
| 1999 | 5.17272 |
| 1998 | 6.08157 |
| 1997 | 5.80575 |
| 1996 | 5.28135 |
| 1995 | 6.35058 |
| 1994 | 8.39876 |
| 1993 | 7.06392 |
| 1992 | 7.27704 |
| 1991 | 7.01122 |
| 1990 | 6.55118 |
| 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 | - |