| 年份 | 毛里塔尼亚 |
|---|---|
| 2023 | - |
| 2022 | 1.93632 |
| 2021 | 1.91791 |
| 2020 | 1.89715 |
| 2019 | 1.87116 |
| 2018 | 1.84157 |
| 2017 | 1.81184 |
| 2016 | 1.7824 |
| 2015 | 1.75417 |
| 2014 | 1.72632 |
| 2013 | 1.70206 |
| 2012 | 1.69973 |
| 2011 | 1.72772 |
| 2010 | 1.77882 |
| 2009 | 1.85311 |
| 2008 | 1.92647 |
| 2007 | 1.95385 |
| 2006 | 1.94692 |
| 2005 | 1.93922 |
| 2004 | 1.92667 |
| 2003 | 1.91112 |
| 2002 | 1.89901 |
| 2001 | 1.88786 |
| 2000 | 1.87722 |
| 1999 | 1.87521 |
| 1998 | 1.87896 |
| 1997 | 1.87983 |
| 1996 | 1.87757 |
| 1995 | 1.87439 |
| 1994 | 1.87801 |
| 1993 | 1.88671 |
| 1992 | 1.90053 |
| 1991 | 1.91189 |
| 1990 | 1.9148 |
| 1989 | 1.91324 |
| 1988 | 1.91044 |
| 1987 | 1.91084 |
| 1986 | 1.9113 |
| 1985 | 1.91194 |
| 1984 | 1.91321 |
| 1983 | 1.91502 |
| 1982 | 1.91704 |
| 1981 | 1.91939 |
| 1980 | 1.92166 |
| 1979 | 1.92337 |
| 1978 | 1.92505 |
| 1977 | 1.92637 |
| 1976 | 1.92686 |
| 1975 | 1.92627 |
| 1974 | 1.92474 |
| 1973 | 1.92246 |
| 1972 | 1.91922 |
| 1971 | 1.9149 |
| 1970 | 1.9094 |
| 1969 | 1.90335 |
| 1968 | 1.89577 |
| 1967 | 1.88604 |
| 1966 | 1.87569 |
| 1965 | 1.86475 |
| 1964 | 1.85276 |
| 1963 | 1.84082 |
| 1962 | 1.8283 |
| 1961 | 1.81244 |
| 1960 | 1.7909 |