| 年份 | 毛里塔尼亚 |
|---|---|
| 2023 | - |
| 2022 | 0.459168 |
| 2021 | 0.485371 |
| 2020 | 0.515834 |
| 2019 | 0.544173 |
| 2018 | 0.571717 |
| 2017 | 0.604777 |
| 2016 | 0.643723 |
| 2015 | 0.688729 |
| 2014 | 0.739962 |
| 2013 | 0.796741 |
| 2012 | 0.779212 |
| 2011 | 0.683853 |
| 2010 | 0.592922 |
| 2009 | 0.509903 |
| 2008 | 0.437589 |
| 2007 | 0.402166 |
| 2006 | 0.398463 |
| 2005 | 0.394764 |
| 2004 | 0.39111 |
| 2003 | 0.387776 |
| 2002 | 0.384729 |
| 2001 | 0.382095 |
| 2000 | 0.379266 |
| 1999 | 0.375647 |
| 1998 | 0.37203 |
| 1997 | 0.368557 |
| 1996 | 0.366759 |
| 1995 | 0.367704 |
| 1994 | 0.367356 |
| 1993 | 0.364723 |
| 1992 | 0.358191 |
| 1991 | 0.350281 |
| 1990 | 0.344808 |
| 1989 | 0.340484 |
| 1988 | 0.336254 |
| 1987 | 0.33037 |
| 1986 | 0.324724 |
| 1985 | 0.319247 |
| 1984 | 0.313589 |
| 1983 | 0.308026 |
| 1982 | 0.302628 |
| 1981 | 0.297082 |
| 1980 | 0.291198 |
| 1979 | 0.285009 |
| 1978 | 0.278093 |
| 1977 | 0.270587 |
| 1976 | 0.262423 |
| 1975 | 0.253208 |
| 1974 | 0.243933 |
| 1973 | 0.234605 |
| 1972 | 0.225259 |
| 1971 | 0.216269 |
| 1970 | 0.207089 |
| 1969 | 0.197639 |
| 1968 | 0.188559 |
| 1967 | 0.179794 |
| 1966 | 0.17069 |
| 1965 | 0.161338 |
| 1964 | 0.151847 |
| 1963 | 0.142246 |
| 1962 | 0.132464 |
| 1961 | 0.12254 |
| 1960 | 0.112854 |