| 年份 | 也门共和国 |
|---|---|
| 2023 | - |
| 2022 | 0.86709 |
| 2021 | 0.891882 |
| 2020 | 0.915783 |
| 2019 | 0.930561 |
| 2018 | 0.934835 |
| 2017 | 0.930728 |
| 2016 | 0.921595 |
| 2015 | 0.91593 |
| 2014 | 0.913949 |
| 2013 | 0.913939 |
| 2012 | 0.915358 |
| 2011 | 0.915635 |
| 2010 | 0.913382 |
| 2009 | 0.909836 |
| 2008 | 0.905649 |
| 2007 | 0.900819 |
| 2006 | 0.897089 |
| 2005 | 0.8952 |
| 2004 | 0.893484 |
| 2003 | 0.891038 |
| 2002 | 0.888772 |
| 2001 | 0.887555 |
| 2000 | 0.887811 |
| 1999 | 0.889373 |
| 1998 | 0.891726 |
| 1997 | 0.894618 |
| 1996 | 0.898163 |
| 1995 | 0.9033 |
| 1994 | 0.910801 |
| 1993 | 0.919844 |
| 1992 | 0.929464 |
| 1991 | 0.939253 |
| 1990 | 0.94915 |
| 1989 | 0.959181 |
| 1988 | 0.96904 |
| 1987 | 0.979172 |
| 1986 | 0.989793 |
| 1985 | 1.00053 |
| 1984 | 1.01108 |
| 1983 | 1.02148 |
| 1982 | 1.03238 |
| 1981 | 1.04308 |
| 1980 | 1.05285 |
| 1979 | 1.06221 |
| 1978 | 1.07089 |
| 1977 | 1.07895 |
| 1976 | 1.08717 |
| 1975 | 1.09597 |
| 1974 | 1.1054 |
| 1973 | 1.11582 |
| 1972 | 1.12709 |
| 1971 | 1.13766 |
| 1970 | 1.14637 |
| 1969 | 1.15318 |
| 1968 | 1.15862 |
| 1967 | 1.16352 |
| 1966 | 1.17049 |
| 1965 | 1.18154 |
| 1964 | 1.19658 |
| 1963 | 1.2176 |
| 1962 | 1.24287 |
| 1961 | 1.26599 |
| 1960 | 1.28536 |