| 年份 | 也门共和国 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 0.0351104 |
| 2020 | 0.0358691 |
| 2019 | 0.0367075 |
| 2018 | 0.0379013 |
| 2017 | 0.0387223 |
| 2016 | 0.0374325 |
| 2015 | 0.0398926 |
| 2014 | 0.0415662 |
| 2013 | 0.0445079 |
| 2012 | 0.0459132 |
| 2011 | 0.045573 |
| 2010 | 0.0521744 |
| 2009 | 0.0487316 |
| 2008 | 0.053367 |
| 2007 | 0.0602874 |
| 2006 | 0.0625504 |
| 2005 | 0.060364 |
| 2004 | 0.0639065 |
| 2003 | 0.0620146 |
| 2002 | 0.0719712 |
| 2001 | 0.0765797 |
| 2000 | 0.0829365 |
| 1999 | 0.085401 |
| 1998 | 0.0888226 |
| 1997 | 0.0939289 |
| 1996 | 0.0991313 |
| 1995 | 0.101408 |
| 1994 | 0.104609 |
| 1993 | 0.10822 |
| 1992 | 0.0954705 |
| 1991 | 0.109961 |
| 1990 | 0.113868 |
| 1989 | 0.107051 |
| 1988 | 0.111082 |
| 1987 | 0.115479 |
| 1986 | 0.119664 |
| 1985 | 0.12431 |
| 1984 | 0.128745 |
| 1983 | 0.133628 |
| 1982 | 0.13857 |
| 1981 | 0.14356 |
| 1980 | 0.148399 |
| 1979 | 0.153484 |
| 1978 | 0.158439 |
| 1977 | 0.163269 |
| 1976 | 0.168376 |
| 1975 | 0.173506 |
| 1974 | 0.177584 |
| 1973 | 0.181996 |
| 1972 | 0.186396 |
| 1971 | 0.190769 |
| 1970 | 0.194634 |
| 1969 | 0.198832 |
| 1968 | 0.202888 |
| 1967 | 0.206815 |
| 1966 | 0.210326 |
| 1965 | 0.214029 |
| 1964 | 0.21678 |
| 1963 | 0.219276 |
| 1962 | 0.221261 |
| 1961 | 0.223495 |
| 1960 | - |