| 年份 | 毛里塔尼亚 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 0.298212 |
| 2020 | 0.303483 |
| 2019 | 0.308819 |
| 2018 | 0.314058 |
| 2017 | 0.319395 |
| 2016 | 0.324634 |
| 2015 | 0.329912 |
| 2014 | 0.33519 |
| 2013 | 0.340468 |
| 2012 | 0.345746 |
| 2011 | 0.351024 |
| 2010 | 0.356302 |
| 2009 | 0.36158 |
| 2008 | 0.366857 |
| 2007 | 0.372135 |
| 2006 | 0.377413 |
| 2005 | 0.382691 |
| 2004 | 0.387969 |
| 2003 | 0.393247 |
| 2002 | 0.398525 |
| 2001 | 0.403803 |
| 2000 | 0.409081 |
| 1999 | 0.414359 |
| 1998 | 0.419637 |
| 1997 | 0.424915 |
| 1996 | 0.430193 |
| 1995 | 0.435471 |
| 1994 | 0.440749 |
| 1993 | 0.446027 |
| 1992 | 0.451305 |
| 1991 | 0.456583 |
| 1990 | 0.461861 |
| 1989 | - |
| 1988 | - |
| 1987 | - |
| 1986 | - |
| 1985 | - |
| 1984 | - |
| 1983 | - |
| 1982 | - |
| 1981 | - |
| 1980 | - |
| 1979 | - |
| 1978 | - |
| 1977 | - |
| 1976 | - |
| 1975 | - |
| 1974 | - |
| 1973 | - |
| 1972 | - |
| 1971 | - |
| 1970 | - |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |