| 年份 | 毛里塔尼亚 |
|---|---|
| 2023 | - |
| 2022 | 3.47501 |
| 2021 | 3.47622 |
| 2020 | 3.48108 |
| 2019 | 3.48629 |
| 2018 | 3.48855 |
| 2017 | 3.48486 |
| 2016 | 3.47493 |
| 2015 | 3.4612 |
| 2014 | 3.44666 |
| 2013 | 3.43481 |
| 2012 | 3.45133 |
| 2011 | 3.48506 |
| 2010 | 3.49523 |
| 2009 | 3.47684 |
| 2008 | 3.42958 |
| 2007 | 3.37904 |
| 2006 | 3.33965 |
| 2005 | 3.30126 |
| 2004 | 3.26515 |
| 2003 | 3.23113 |
| 2002 | 3.20098 |
| 2001 | 3.17751 |
| 2000 | 3.15518 |
| 1999 | 3.12937 |
| 1998 | 3.12077 |
| 1997 | 3.13912 |
| 1996 | 3.17417 |
| 1995 | 3.2194 |
| 1994 | 3.26792 |
| 1993 | 3.30246 |
| 1992 | 3.30882 |
| 1991 | 3.30741 |
| 1990 | 3.31306 |
| 1989 | 3.31516 |
| 1988 | 3.31276 |
| 1987 | 3.3143 |
| 1986 | 3.31834 |
| 1985 | 3.3194 |
| 1984 | 3.33068 |
| 1983 | 3.35234 |
| 1982 | 3.36972 |
| 1981 | 3.38648 |
| 1980 | 3.40502 |
| 1979 | 3.42315 |
| 1978 | 3.4398 |
| 1977 | 3.45648 |
| 1976 | 3.4736 |
| 1975 | 3.49149 |
| 1974 | 3.51041 |
| 1973 | 3.52936 |
| 1972 | 3.54753 |
| 1971 | 3.56613 |
| 1970 | 3.58556 |
| 1969 | 3.6047 |
| 1968 | 3.62389 |
| 1967 | 3.64386 |
| 1966 | 3.66371 |
| 1965 | 3.68263 |
| 1964 | 3.7008 |
| 1963 | 3.71781 |
| 1962 | 3.73326 |
| 1961 | 3.74727 |
| 1960 | 3.75897 |