| 年份 | 也门共和国 |
|---|---|
| 2023 | - |
| 2022 | 9.47235 |
| 2021 | 9.56292 |
| 2020 | 9.70959 |
| 2019 | 9.89761 |
| 2018 | 10.1046 |
| 2017 | 10.3166 |
| 2016 | 10.5088 |
| 2015 | 10.6342 |
| 2014 | 10.6743 |
| 2013 | 10.6696 |
| 2012 | 10.6327 |
| 2011 | 10.5723 |
| 2010 | 10.4889 |
| 2009 | 10.3795 |
| 2008 | 10.242 |
| 2007 | 10.0772 |
| 2006 | 9.88839 |
| 2005 | 9.6876 |
| 2004 | 9.49757 |
| 2003 | 9.30847 |
| 2002 | 9.11418 |
| 2001 | 8.93177 |
| 2000 | 8.76226 |
| 1999 | 8.60718 |
| 1998 | 8.48074 |
| 1997 | 8.38754 |
| 1996 | 8.31576 |
| 1995 | 8.26288 |
| 1994 | 8.21386 |
| 1993 | 8.16636 |
| 1992 | 8.12405 |
| 1991 | 8.08035 |
| 1990 | 8.0355 |
| 1989 | 7.99085 |
| 1988 | 7.9423 |
| 1987 | 7.88372 |
| 1986 | 7.82838 |
| 1985 | 7.78796 |
| 1984 | 7.75931 |
| 1983 | 7.74413 |
| 1982 | 7.73796 |
| 1981 | 7.73314 |
| 1980 | 7.73524 |
| 1979 | 7.74915 |
| 1978 | 7.77321 |
| 1977 | 7.8061 |
| 1976 | 7.84596 |
| 1975 | 7.8912 |
| 1974 | 7.96971 |
| 1973 | 8.0974 |
| 1972 | 8.28215 |
| 1971 | 8.50528 |
| 1970 | 8.7106 |
| 1969 | 8.85653 |
| 1968 | 8.93287 |
| 1967 | 8.94046 |
| 1966 | 8.90672 |
| 1965 | 8.89175 |
| 1964 | 8.8986 |
| 1963 | 8.91464 |
| 1962 | 8.93563 |
| 1961 | 8.94514 |
| 1960 | 8.93088 |