| 年份 | 毛里塔尼亚  | 
                                                            
|---|---|
| 2023 | - | 
| 2022 | 2.50479 | 
| 2021 | 2.48141 | 
| 2020 | 2.45906 | 
| 2019 | 2.43503 | 
| 2018 | 2.40886 | 
| 2017 | 2.38149 | 
| 2016 | 2.35249 | 
| 2015 | 2.32196 | 
| 2014 | 2.2899 | 
| 2013 | 2.25651 | 
| 2012 | 2.22768 | 
| 2011 | 2.20559 | 
| 2010 | 2.18682 | 
| 2009 | 2.16979 | 
| 2008 | 2.17621 | 
| 2007 | 2.21355 | 
| 2006 | 2.26046 | 
| 2005 | 2.31242 | 
| 2004 | 2.37081 | 
| 2003 | 2.4086 | 
| 2002 | 2.41133 | 
| 2001 | 2.40319 | 
| 2000 | 2.39711 | 
| 1999 | 2.38869 | 
| 1998 | 2.37641 | 
| 1997 | 2.36831 | 
| 1996 | 2.35852 | 
| 1995 | 2.34508 | 
| 1994 | 2.34643 | 
| 1993 | 2.36171 | 
| 1992 | 2.3804 | 
| 1991 | 2.39672 | 
| 1990 | 2.40549 | 
| 1989 | 2.40986 | 
| 1988 | 2.41181 | 
| 1987 | 2.41564 | 
| 1986 | 2.4193 | 
| 1985 | 2.42363 | 
| 1984 | 2.42771 | 
| 1983 | 2.43081 | 
| 1982 | 2.43388 | 
| 1981 | 2.43729 | 
| 1980 | 2.44069 | 
| 1979 | 2.44439 | 
| 1978 | 2.4489 | 
| 1977 | 2.45398 | 
| 1976 | 2.45958 | 
| 1975 | 2.4652 | 
| 1974 | 2.47054 | 
| 1973 | 2.47609 | 
| 1972 | 2.48128 | 
| 1971 | 2.48524 | 
| 1970 | 2.48835 | 
| 1969 | 2.49106 | 
| 1968 | 2.49328 | 
| 1967 | 2.49451 | 
| 1966 | 2.4935 | 
| 1965 | 2.48973 | 
| 1964 | 2.48302 | 
| 1963 | 2.47243 | 
| 1962 | 2.45803 | 
| 1961 | 2.44182 | 
| 1960 | 2.42454 |