| 年份 | 毛里塔尼亚 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 7.44 |
| 2020 | 7.466 |
| 2019 | 7.003 |
| 2018 | 7.248 |
| 2017 | 7.446 |
| 2016 | 7.707 |
| 2015 | 7.979 |
| 2014 | 8.301 |
| 2013 | 8.652 |
| 2012 | 8.581 |
| 2011 | 8.454 |
| 2010 | 8.327 |
| 2009 | 8.241 |
| 2008 | 8.204 |
| 2007 | 8.275 |
| 2006 | 8.418 |
| 2005 | 8.512 |
| 2004 | 8.534 |
| 2003 | 8.645 |
| 2002 | 8.704 |
| 2001 | 8.766 |
| 2000 | 8.856 |
| 1999 | 8.973 |
| 1998 | 9.087 |
| 1997 | 9.203 |
| 1996 | 9.426 |
| 1995 | 9.39 |
| 1994 | 9.373 |
| 1993 | 9.36 |
| 1992 | 9.375 |
| 1991 | 9.52 |
| 1990 | 9.614 |
| 1989 | 9.844 |
| 1988 | 9.963 |
| 1987 | 10.286 |
| 1986 | 10.644 |
| 1985 | 10.937 |
| 1984 | 11.237 |
| 1983 | 11.56 |
| 1982 | 11.843 |
| 1981 | 12.211 |
| 1980 | 12.56 |
| 1979 | 12.921 |
| 1978 | 13.322 |
| 1977 | 13.642 |
| 1976 | 13.932 |
| 1975 | 14.122 |
| 1974 | 14.4 |
| 1973 | 14.574 |
| 1972 | 14.721 |
| 1971 | 14.89 |
| 1970 | 15.11 |
| 1969 | 15.384 |
| 1968 | 15.775 |
| 1967 | 16.214 |
| 1966 | 16.622 |
| 1965 | 17.035 |
| 1964 | 17.407 |
| 1963 | 17.87 |
| 1962 | 18.257 |
| 1961 | 18.62 |
| 1960 | 19.014 |