| 年份 | 毛里塔尼亚 |
|---|---|
| 2023 | - |
| 2022 | 9.01628 |
| 2021 | 8.92632 |
| 2020 | 8.86101 |
| 2019 | 8.8132 |
| 2018 | 8.77477 |
| 2017 | 8.73175 |
| 2016 | 8.68044 |
| 2015 | 8.62423 |
| 2014 | 8.56802 |
| 2013 | 8.51667 |
| 2012 | 8.59118 |
| 2011 | 8.77524 |
| 2010 | 8.92148 |
| 2009 | 9.0208 |
| 2008 | 9.07875 |
| 2007 | 9.09927 |
| 2006 | 9.10219 |
| 2005 | 9.10428 |
| 2004 | 9.0973 |
| 2003 | 9.0951 |
| 2002 | 9.10622 |
| 2001 | 9.13437 |
| 2000 | 9.13631 |
| 1999 | 9.10834 |
| 1998 | 9.09862 |
| 1997 | 9.1048 |
| 1996 | 9.16909 |
| 1995 | 9.28747 |
| 1994 | 9.35112 |
| 1993 | 9.35216 |
| 1992 | 9.27158 |
| 1991 | 9.1836 |
| 1990 | 9.16128 |
| 1989 | 9.1559 |
| 1988 | 9.13472 |
| 1987 | 9.05752 |
| 1986 | 8.96723 |
| 1985 | 8.8731 |
| 1984 | 8.77971 |
| 1983 | 8.68964 |
| 1982 | 8.6028 |
| 1981 | 8.51905 |
| 1980 | 8.44069 |
| 1979 | 8.37065 |
| 1978 | 8.3097 |
| 1977 | 8.26139 |
| 1976 | 8.22277 |
| 1975 | 8.18979 |
| 1974 | 8.15645 |
| 1973 | 8.1586 |
| 1972 | 8.22087 |
| 1971 | 8.3123 |
| 1970 | 8.42042 |
| 1969 | 8.54993 |
| 1968 | 8.65409 |
| 1967 | 8.69968 |
| 1966 | 8.72261 |
| 1965 | 8.74502 |
| 1964 | 8.75016 |
| 1963 | 8.74382 |
| 1962 | 8.75475 |
| 1961 | 8.76904 |
| 1960 | 8.77165 |