| 年份 | 毛里塔尼亚 |
|---|---|
| 2023 | - |
| 2022 | 9.15471 |
| 2021 | 9.10983 |
| 2020 | 9.0823 |
| 2019 | 9.0663 |
| 2018 | 9.05569 |
| 2017 | 9.03903 |
| 2016 | 9.01338 |
| 2015 | 8.9819 |
| 2014 | 8.94851 |
| 2013 | 8.91689 |
| 2012 | 8.943 |
| 2011 | 9.01887 |
| 2010 | 9.07629 |
| 2009 | 9.10951 |
| 2008 | 9.12298 |
| 2007 | 9.12728 |
| 2006 | 9.12714 |
| 2005 | 9.11525 |
| 2004 | 9.08465 |
| 2003 | 9.05065 |
| 2002 | 9.02414 |
| 2001 | 9.00813 |
| 2000 | 8.98652 |
| 1999 | 8.96067 |
| 1998 | 8.95451 |
| 1997 | 8.96536 |
| 1996 | 9.03966 |
| 1995 | 9.17056 |
| 1994 | 9.23551 |
| 1993 | 9.22955 |
| 1992 | 9.13368 |
| 1991 | 9.03372 |
| 1990 | 9.01174 |
| 1989 | 9.01075 |
| 1988 | 8.9929 |
| 1987 | 8.91324 |
| 1986 | 8.81993 |
| 1985 | 8.72235 |
| 1984 | 8.62502 |
| 1983 | 8.53028 |
| 1982 | 8.43793 |
| 1981 | 8.34839 |
| 1980 | 8.26413 |
| 1979 | 8.18785 |
| 1978 | 8.1208 |
| 1977 | 8.0671 |
| 1976 | 8.02276 |
| 1975 | 7.98329 |
| 1974 | 7.94314 |
| 1973 | 7.97478 |
| 1972 | 8.11886 |
| 1971 | 8.30892 |
| 1970 | 8.51983 |
| 1969 | 8.75692 |
| 1968 | 8.92983 |
| 1967 | 8.98737 |
| 1966 | 9.00741 |
| 1965 | 9.02596 |
| 1964 | 9.02398 |
| 1963 | 9.00771 |
| 1962 | 9.00666 |
| 1961 | 9.00697 |
| 1960 | 8.99656 |