| 年份 | 也门共和国 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 6.845 |
| 2020 | 6.509 |
| 2019 | 6.416 |
| 2018 | 6.629 |
| 2017 | 6.082 |
| 2016 | 6.052 |
| 2015 | 6.137 |
| 2014 | 5.566 |
| 2013 | 5.507 |
| 2012 | 5.582 |
| 2011 | 5.554 |
| 2010 | 5.602 |
| 2009 | 5.651 |
| 2008 | 5.77 |
| 2007 | 5.954 |
| 2006 | 6.208 |
| 2005 | 6.413 |
| 2004 | 6.662 |
| 2003 | 6.898 |
| 2002 | 7.203 |
| 2001 | 7.565 |
| 2000 | 7.94 |
| 1999 | 8.306 |
| 1998 | 8.666 |
| 1997 | 8.932 |
| 1996 | 9.343 |
| 1995 | 9.642 |
| 1994 | 10.104 |
| 1993 | 10.236 |
| 1992 | 10.562 |
| 1991 | 10.878 |
| 1990 | 11.198 |
| 1989 | 11.588 |
| 1988 | 11.981 |
| 1987 | 12.484 |
| 1986 | 14.067 |
| 1985 | 13.592 |
| 1984 | 14.221 |
| 1983 | 15.009 |
| 1982 | 16.108 |
| 1981 | 16.739 |
| 1980 | 17.608 |
| 1979 | 18.569 |
| 1978 | 19.391 |
| 1977 | 20.342 |
| 1976 | 21.245 |
| 1975 | 22.125 |
| 1974 | 22.951 |
| 1973 | 23.866 |
| 1972 | 24.718 |
| 1971 | 25.58 |
| 1970 | 26.538 |
| 1969 | 27.538 |
| 1968 | 29.151 |
| 1967 | 30.091 |
| 1966 | 30.847 |
| 1965 | 31.544 |
| 1964 | 32.144 |
| 1963 | 33.593 |
| 1962 | 33.206 |
| 1961 | 32.711 |
| 1960 | 33.038 |