| 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 |