| 年份 | 毛里塔尼亚 |
|---|---|
| 2023 | - |
| 2022 | 0.927798 |
| 2021 | 0.926718 |
| 2020 | 0.927908 |
| 2019 | 0.928343 |
| 2018 | 0.927062 |
| 2017 | 0.926633 |
| 2016 | 0.928892 |
| 2015 | 0.93448 |
| 2014 | 0.943427 |
| 2013 | 0.955818 |
| 2012 | 0.978742 |
| 2011 | 1.00595 |
| 2010 | 1.02156 |
| 2009 | 1.0273 |
| 2008 | 1.02268 |
| 2007 | 1.01481 |
| 2006 | 1.0115 |
| 2005 | 1.00838 |
| 2004 | 1.00467 |
| 2003 | 1.00014 |
| 2002 | 0.995199 |
| 2001 | 0.990222 |
| 2000 | 0.986694 |
| 1999 | 0.984525 |
| 1998 | 0.981398 |
| 1997 | 0.977846 |
| 1996 | 0.972816 |
| 1995 | 0.966947 |
| 1994 | 0.965439 |
| 1993 | 0.96766 |
| 1992 | 0.973151 |
| 1991 | 0.976916 |
| 1990 | 0.975537 |
| 1989 | 0.971773 |
| 1988 | 0.967721 |
| 1987 | 0.965211 |
| 1986 | 0.962122 |
| 1985 | 0.958599 |
| 1984 | 0.95466 |
| 1983 | 0.950025 |
| 1982 | 0.944596 |
| 1981 | 0.938573 |
| 1980 | 0.931928 |
| 1979 | 0.924474 |
| 1978 | 0.916338 |
| 1977 | 0.907468 |
| 1976 | 0.898493 |
| 1975 | 0.890323 |
| 1974 | 0.882177 |
| 1973 | 0.874126 |
| 1972 | 0.866253 |
| 1971 | 0.85698 |
| 1970 | 0.845479 |
| 1969 | 0.831877 |
| 1968 | 0.816024 |
| 1967 | 0.797866 |
| 1966 | 0.7782 |
| 1965 | 0.757814 |
| 1964 | 0.736467 |
| 1963 | 0.714282 |
| 1962 | 0.691434 |
| 1961 | 0.667813 |
| 1960 | 0.643566 |