| 年份 | 毛里塔尼亚  | 
                                                            
|---|---|
| 2023 | - | 
| 2022 | - | 
| 2021 | 9.58504 | 
| 2020 | 0.608689 | 
| 2019 | 0.604822 | 
| 2018 | 0.375159 | 
| 2017 | 5.09937 | 
| 2016 | 4.30137 | 
| 2015 | 2.30112 | 
| 2014 | 8.17237 | 
| 2013 | 11.7555 | 
| 2012 | 15.0678 | 
| 2011 | 21.6241 | 
| 2010 | 24.8231 | 
| 2009 | 12.1291 | 
| 2008 | 24.8342 | 
| 2007 | 22.1956 | 
| 2006 | 9.43504 | 
| 2005 | 13.7221 | 
| 2004 | 4.58472 | 
| 2003 | - | 
| 2002 | 3.41553 | 
| 2001 | 2.91714 | 
| 2000 | - | 
| 1999 | 0.365417 | 
| 1998 | 1.44783 | 
| 1997 | - | 
| 1996 | 0.031832 | 
| 1995 | 0.079966 | 
| 1994 | 0.423185 | 
| 1993 | 0.253369 | 
| 1992 | 0.0973074 | 
| 1991 | - | 
| 1990 | 7.1383 | 
| 1989 | 5.76904 | 
| 1988 | 3.45012 | 
| 1987 | 4.27241 | 
| 1986 | 6.09613 | 
| 1985 | 8.39843 | 
| 1984 | 7.42458 | 
| 1983 | 6.07592 | 
| 1982 | 9.31477 | 
| 1981 | 7.24528 | 
| 1980 | 8.07096 | 
| 1979 | 7.11983 | 
| 1978 | 5.49394 | 
| 1977 | 9.98663 | 
| 1976 | 12.0773 | 
| 1975 | 7.5439 | 
| 1974 | 11.9064 | 
| 1973 | 11.0631 | 
| 1972 | 9.76065 | 
| 1971 | 9.44073 | 
| 1970 | 10.2713 | 
| 1969 | - | 
| 1968 | - | 
| 1967 | - | 
| 1966 | - | 
| 1965 | - | 
| 1964 | - | 
| 1963 | - | 
| 1962 | - | 
| 1961 | - | 
| 1960 | - |