| 年份 | 毛里塔尼亚 |
|---|---|
| 2023 | - |
| 2022 | 2.33379 |
| 2021 | 2.33472 |
| 2020 | 2.3392 |
| 2019 | 2.34326 |
| 2018 | 2.34499 |
| 2017 | 2.34446 |
| 2016 | 2.3409 |
| 2015 | 2.33479 |
| 2014 | 2.32668 |
| 2013 | 2.31732 |
| 2012 | 2.29187 |
| 2011 | 2.2474 |
| 2010 | 2.1977 |
| 2009 | 2.14162 |
| 2008 | 2.09038 |
| 2007 | 2.07744 |
| 2006 | 2.09654 |
| 2005 | 2.11908 |
| 2004 | 2.14622 |
| 2003 | 2.16452 |
| 2002 | 2.16477 |
| 2001 | 2.15807 |
| 2000 | 2.1526 |
| 1999 | 2.14508 |
| 1998 | 2.13586 |
| 1997 | 2.13209 |
| 1996 | 2.12926 |
| 1995 | 2.12412 |
| 1994 | 2.12804 |
| 1993 | 2.14075 |
| 1992 | 2.15273 |
| 1991 | 2.1632 |
| 1990 | 2.17153 |
| 1989 | 2.17835 |
| 1988 | 2.18335 |
| 1987 | 2.18909 |
| 1986 | 2.19565 |
| 1985 | 2.20338 |
| 1984 | 2.21212 |
| 1983 | 2.22079 |
| 1982 | 2.22861 |
| 1981 | 2.23653 |
| 1980 | 2.24493 |
| 1979 | 2.25237 |
| 1978 | 2.25951 |
| 1977 | 2.26758 |
| 1976 | 2.27565 |
| 1975 | 2.28336 |
| 1974 | 2.29175 |
| 1973 | 2.30084 |
| 1972 | 2.31017 |
| 1971 | 2.31985 |
| 1970 | 2.32928 |
| 1969 | 2.33771 |
| 1968 | 2.34584 |
| 1967 | 2.35422 |
| 1966 | 2.36166 |
| 1965 | 2.36729 |
| 1964 | 2.37102 |
| 1963 | 2.37203 |
| 1962 | 2.37084 |
| 1961 | 2.36824 |
| 1960 | 2.36466 |