| 年份 | 毛里塔尼亚 |
|---|---|
| 2023 | - |
| 2022 | 5.20089 |
| 2021 | 5.1393 |
| 2020 | 5.0737 |
| 2019 | 5.00832 |
| 2018 | 4.94896 |
| 2017 | 4.89812 |
| 2016 | 4.8577 |
| 2015 | 4.82838 |
| 2014 | 4.81 |
| 2013 | 4.80194 |
| 2012 | 4.84263 |
| 2011 | 4.9253 |
| 2010 | 5.00058 |
| 2009 | 5.06686 |
| 2008 | 5.12392 |
| 2007 | 5.17361 |
| 2006 | 5.21593 |
| 2005 | 5.24433 |
| 2004 | 5.25291 |
| 2003 | 5.24347 |
| 2002 | 5.21891 |
| 2001 | 5.18644 |
| 2000 | 5.13195 |
| 1999 | 5.05639 |
| 1998 | 4.98753 |
| 1997 | 4.92556 |
| 1996 | 4.88398 |
| 1995 | 4.86091 |
| 1994 | 4.81418 |
| 1993 | 4.74644 |
| 1992 | 4.6566 |
| 1991 | 4.58476 |
| 1990 | 4.56228 |
| 1989 | 4.55742 |
| 1988 | 4.5729 |
| 1987 | 4.60519 |
| 1986 | 4.65541 |
| 1985 | 4.71672 |
| 1984 | 4.79213 |
| 1983 | 4.85378 |
| 1982 | 4.88142 |
| 1981 | 4.89657 |
| 1980 | 4.91239 |
| 1979 | 4.919 |
| 1978 | 4.92091 |
| 1977 | 4.93475 |
| 1976 | 4.94935 |
| 1975 | 4.95631 |
| 1974 | 4.97742 |
| 1973 | 5.01318 |
| 1972 | 5.04248 |
| 1971 | 5.07108 |
| 1970 | 5.10264 |
| 1969 | 5.13475 |
| 1968 | 5.16492 |
| 1967 | 5.19523 |
| 1966 | 5.2272 |
| 1965 | 5.26033 |
| 1964 | 5.293 |
| 1963 | 5.32397 |
| 1962 | 5.35228 |
| 1961 | 5.37777 |
| 1960 | 5.40198 |