| 年份 | 也门共和国 |
|---|---|
| 2023 | - |
| 2022 | 4.60271 |
| 2021 | 4.68157 |
| 2020 | 4.76135 |
| 2019 | 4.8216 |
| 2018 | 4.86536 |
| 2017 | 4.9123 |
| 2016 | 4.96303 |
| 2015 | 5.01952 |
| 2014 | 5.06774 |
| 2013 | 5.09873 |
| 2012 | 5.11453 |
| 2011 | 5.1205 |
| 2010 | 5.13929 |
| 2009 | 5.17492 |
| 2008 | 5.21911 |
| 2007 | 5.26967 |
| 2006 | 5.32316 |
| 2005 | 5.37508 |
| 2004 | 5.41929 |
| 2003 | 5.45625 |
| 2002 | 5.49208 |
| 2001 | 5.53299 |
| 2000 | 5.5816 |
| 1999 | 5.63396 |
| 1998 | 5.68666 |
| 1997 | 5.73857 |
| 1996 | 5.78966 |
| 1995 | 5.84334 |
| 1994 | 5.90596 |
| 1993 | 5.97143 |
| 1992 | 6.03156 |
| 1991 | 6.08837 |
| 1990 | 6.14033 |
| 1989 | 6.18705 |
| 1988 | 6.22822 |
| 1987 | 6.26907 |
| 1986 | 6.30894 |
| 1985 | 6.3434 |
| 1984 | 6.37241 |
| 1983 | 6.39592 |
| 1982 | 6.4177 |
| 1981 | 6.43491 |
| 1980 | 6.44427 |
| 1979 | 6.44921 |
| 1978 | 6.45089 |
| 1977 | 6.45029 |
| 1976 | 6.44983 |
| 1975 | 6.44934 |
| 1974 | 6.44785 |
| 1973 | 6.44605 |
| 1972 | 6.44419 |
| 1971 | 6.44369 |
| 1970 | 6.44538 |
| 1969 | 6.44999 |
| 1968 | 6.46458 |
| 1967 | 6.48782 |
| 1966 | 6.51342 |
| 1965 | 6.5417 |
| 1964 | 6.57827 |
| 1963 | 6.63062 |
| 1962 | 6.69355 |
| 1961 | 6.75798 |
| 1960 | 6.8244 |