| 年份 | 毛里塔尼亚 |
|---|---|
| 2023 | - |
| 2022 | 0.867989 |
| 2021 | 0.877935 |
| 2020 | 0.889795 |
| 2019 | 0.900668 |
| 2018 | 0.910322 |
| 2017 | 0.921983 |
| 2016 | 0.937496 |
| 2015 | 0.957391 |
| 2014 | 0.98129 |
| 2013 | 1.00887 |
| 2012 | 1.01102 |
| 2011 | 0.979672 |
| 2010 | 0.936966 |
| 2009 | 0.886732 |
| 2008 | 0.830861 |
| 2007 | 0.799423 |
| 2006 | 0.797311 |
| 2005 | 0.795414 |
| 2004 | 0.793052 |
| 2003 | 0.789803 |
| 2002 | 0.786326 |
| 2001 | 0.783144 |
| 2000 | 0.78124 |
| 1999 | 0.780629 |
| 1998 | 0.780174 |
| 1997 | 0.779686 |
| 1996 | 0.778933 |
| 1995 | 0.778408 |
| 1994 | 0.779214 |
| 1993 | 0.780997 |
| 1992 | 0.784039 |
| 1991 | 0.786322 |
| 1990 | 0.786442 |
| 1989 | 0.786045 |
| 1988 | 0.785646 |
| 1987 | 0.785696 |
| 1986 | 0.786002 |
| 1985 | 0.786273 |
| 1984 | 0.786292 |
| 1983 | 0.786294 |
| 1982 | 0.786193 |
| 1981 | 0.785857 |
| 1980 | 0.784923 |
| 1979 | 0.783307 |
| 1978 | 0.781217 |
| 1977 | 0.778853 |
| 1976 | 0.776647 |
| 1975 | 0.774936 |
| 1974 | 0.774102 |
| 1973 | 0.774007 |
| 1972 | 0.774017 |
| 1971 | 0.773748 |
| 1970 | 0.7721 |
| 1969 | 0.768534 |
| 1968 | 0.763521 |
| 1967 | 0.75675 |
| 1966 | 0.748115 |
| 1965 | 0.738194 |
| 1964 | 0.726952 |
| 1963 | 0.714242 |
| 1962 | 0.700612 |
| 1961 | 0.686005 |
| 1960 | 0.670251 |