| 年份 | 也门共和国  | 
                                                            
|---|---|
| 2023 | - | 
| 2022 | 1.56302 | 
| 2021 | 1.54162 | 
| 2020 | 1.5221 | 
| 2019 | 1.50468 | 
| 2018 | 1.49003 | 
| 2017 | 1.47936 | 
| 2016 | 1.47201 | 
| 2015 | 1.46778 | 
| 2014 | 1.47224 | 
| 2013 | 1.48856 | 
| 2012 | 1.51813 | 
| 2011 | 1.55709 | 
| 2010 | 1.59399 | 
| 2009 | 1.61972 | 
| 2008 | 1.63206 | 
| 2007 | 1.63089 | 
| 2006 | 1.62205 | 
| 2005 | 1.61869 | 
| 2004 | 1.62033 | 
| 2003 | 1.62458 | 
| 2002 | 1.63087 | 
| 2001 | 1.63536 | 
| 2000 | 1.63652 | 
| 1999 | 1.63688 | 
| 1998 | 1.63681 | 
| 1997 | 1.63606 | 
| 1996 | 1.63765 | 
| 1995 | 1.6448 | 
| 1994 | 1.65757 | 
| 1993 | 1.67291 | 
| 1992 | 1.68997 | 
| 1991 | 1.70905 | 
| 1990 | 1.73017 | 
| 1989 | 1.75287 | 
| 1988 | 1.77647 | 
| 1987 | 1.80115 | 
| 1986 | 1.82675 | 
| 1985 | 1.85252 | 
| 1984 | 1.87777 | 
| 1983 | 1.90246 | 
| 1982 | 1.92695 | 
| 1981 | 1.95042 | 
| 1980 | 1.97239 | 
| 1979 | 1.99322 | 
| 1978 | 2.01217 | 
| 1977 | 2.02948 | 
| 1976 | 2.04597 | 
| 1975 | 2.0618 | 
| 1974 | 2.07694 | 
| 1973 | 2.09146 | 
| 1972 | 2.10577 | 
| 1971 | 2.11939 | 
| 1970 | 2.13171 | 
| 1969 | 2.14273 | 
| 1968 | 2.15323 | 
| 1967 | 2.16367 | 
| 1966 | 2.17459 | 
| 1965 | 2.18658 | 
| 1964 | 2.19963 | 
| 1963 | 2.21509 | 
| 1962 | 2.23161 | 
| 1961 | 2.2454 | 
| 1960 | 2.2554 |