| 年份 | 毛里塔尼亚 |
|---|---|
| 2023 | - |
| 2022 | 17.8941 |
| 2021 | 14.9695 |
| 2020 | 12.2965 |
| 2019 | 13.2955 |
| 2018 | 12.9844 |
| 2017 | 13.3813 |
| 2016 | 13.4405 |
| 2015 | 14.6178 |
| 2014 | 13.6336 |
| 2013 | 11.687 |
| 2012 | 12.0695 |
| 2011 | 10.4556 |
| 2010 | 13.5201 |
| 2009 | 15.763 |
| 2008 | 14.9434 |
| 2007 | 14.7356 |
| 2006 | 13.9863 |
| 2005 | 17.1202 |
| 2004 | 19.5223 |
| 2003 | 19.285 |
| 2002 | 20.3145 |
| 2001 | 20.427 |
| 2000 | 20.6453 |
| 1999 | 20.5106 |
| 1998 | 20.7812 |
| 1997 | 12.3726 |
| 1996 | 12.7024 |
| 1995 | 12.2391 |
| 1994 | 13.2557 |
| 1993 | 13.7981 |
| 1992 | 14.6252 |
| 1991 | 18.9782 |
| 1990 | 29.7676 |
| 1989 | 28.9855 |
| 1988 | 27.8381 |
| 1987 | 28.0315 |
| 1986 | 27.0886 |
| 1985 | 33.3413 |
| 1984 | 35.2552 |
| 1983 | 37.8644 |
| 1982 | 36.79 |
| 1981 | 44.4857 |
| 1980 | 51.9748 |
| 1979 | 51.8769 |
| 1978 | 53.7307 |
| 1977 | 55.0999 |
| 1976 | 53.8381 |
| 1975 | 40.3604 |
| 1974 | 35.637 |
| 1973 | 38.4315 |
| 1972 | 39.6012 |
| 1971 | 29.8906 |
| 1970 | 28.9555 |
| 1969 | 30.5572 |
| 1968 | 26.774 |
| 1967 | 31.2054 |
| 1966 | 36.7014 |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |