| 年份 | 毛里塔尼亚 |
|---|---|
| 2023 | - |
| 2022 | 2.91581 |
| 2021 | 2.90683 |
| 2020 | 2.89432 |
| 2019 | 2.88008 |
| 2018 | 2.86766 |
| 2017 | 2.86057 |
| 2016 | 2.85938 |
| 2015 | 2.86267 |
| 2014 | 2.86803 |
| 2013 | 2.87262 |
| 2012 | 2.8693 |
| 2011 | 2.84788 |
| 2010 | 2.80541 |
| 2009 | 2.74615 |
| 2008 | 2.6745 |
| 2007 | 2.62421 |
| 2006 | 2.60356 |
| 2005 | 2.58644 |
| 2004 | 2.56834 |
| 2003 | 2.56135 |
| 2002 | 2.57427 |
| 2001 | 2.59662 |
| 2000 | 2.62322 |
| 1999 | 2.65687 |
| 1998 | 2.68314 |
| 1997 | 2.68985 |
| 1996 | 2.68971 |
| 1995 | 2.691 |
| 1994 | 2.68829 |
| 1993 | 2.68358 |
| 1992 | 2.68514 |
| 1991 | 2.68801 |
| 1990 | 2.68803 |
| 1989 | 2.69554 |
| 1988 | 2.71 |
| 1987 | 2.72002 |
| 1986 | 2.72956 |
| 1985 | 2.74117 |
| 1984 | 2.75347 |
| 1983 | 2.76469 |
| 1982 | 2.77594 |
| 1981 | 2.78812 |
| 1980 | 2.80105 |
| 1979 | 2.81447 |
| 1978 | 2.82764 |
| 1977 | 2.83977 |
| 1976 | 2.85189 |
| 1975 | 2.86447 |
| 1974 | 2.87655 |
| 1973 | 2.88889 |
| 1972 | 2.90218 |
| 1971 | 2.91551 |
| 1970 | 2.92891 |
| 1969 | 2.94329 |
| 1968 | 2.95818 |
| 1967 | 2.97324 |
| 1966 | 2.98811 |
| 1965 | 3.00114 |
| 1964 | 3.01186 |
| 1963 | 3.02148 |
| 1962 | 3.02992 |
| 1961 | 3.03633 |
| 1960 | 3.04009 |