| 年份 | 毛里塔尼亚 |
|---|---|
| 2023 | - |
| 2022 | 4.19599 |
| 2021 | 4.15405 |
| 2020 | 4.12276 |
| 2019 | 4.10199 |
| 2018 | 4.09178 |
| 2017 | 4.09068 |
| 2016 | 4.0965 |
| 2015 | 4.10636 |
| 2014 | 4.11657 |
| 2013 | 4.12253 |
| 2012 | 4.15463 |
| 2011 | 4.21403 |
| 2010 | 4.26428 |
| 2009 | 4.29904 |
| 2008 | 4.31228 |
| 2007 | 4.29774 |
| 2006 | 4.26454 |
| 2005 | 4.22596 |
| 2004 | 4.18391 |
| 2003 | 4.14026 |
| 2002 | 4.09586 |
| 2001 | 4.05299 |
| 2000 | 4.00336 |
| 1999 | 3.9484 |
| 1998 | 3.90157 |
| 1997 | 3.8639 |
| 1996 | 3.84458 |
| 1995 | 3.84042 |
| 1994 | 3.82196 |
| 1993 | 3.8082 |
| 1992 | 3.81021 |
| 1991 | 3.83218 |
| 1990 | 3.88378 |
| 1989 | 3.95372 |
| 1988 | 4.00933 |
| 1987 | 4.02627 |
| 1986 | 4.03261 |
| 1985 | 4.04029 |
| 1984 | 4.0417 |
| 1983 | 4.03974 |
| 1982 | 4.04777 |
| 1981 | 4.05891 |
| 1980 | 4.06566 |
| 1979 | 4.08328 |
| 1978 | 4.11303 |
| 1977 | 4.13745 |
| 1976 | 4.15954 |
| 1975 | 4.18276 |
| 1974 | 4.20641 |
| 1973 | 4.22838 |
| 1972 | 4.2506 |
| 1971 | 4.27433 |
| 1970 | 4.29993 |
| 1969 | 4.32747 |
| 1968 | 4.35468 |
| 1967 | 4.38089 |
| 1966 | 4.40697 |
| 1965 | 4.4325 |
| 1964 | 4.4561 |
| 1963 | 4.47805 |
| 1962 | 4.4993 |
| 1961 | 4.51956 |
| 1960 | 4.53804 |