| 年份 | 毛里塔尼亚 |
|---|---|
| 2023 | - |
| 2022 | 4.66268 |
| 2021 | 4.62399 |
| 2020 | 4.59103 |
| 2019 | 4.56245 |
| 2018 | 4.53666 |
| 2017 | 4.51079 |
| 2016 | 4.48363 |
| 2015 | 4.45489 |
| 2014 | 4.42371 |
| 2013 | 4.38925 |
| 2012 | 4.3797 |
| 2011 | 4.4016 |
| 2010 | 4.42673 |
| 2009 | 4.44611 |
| 2008 | 4.45294 |
| 2007 | 4.42603 |
| 2006 | 4.37002 |
| 2005 | 4.30965 |
| 2004 | 4.24689 |
| 2003 | 4.18374 |
| 2002 | 4.12117 |
| 2001 | 4.06079 |
| 2000 | 4.00157 |
| 1999 | 3.94506 |
| 1998 | 3.89575 |
| 1997 | 3.85535 |
| 1996 | 3.83137 |
| 1995 | 3.82035 |
| 1994 | 3.79835 |
| 1993 | 3.80325 |
| 1992 | 3.85502 |
| 1991 | 3.93568 |
| 1990 | 4.04279 |
| 1989 | 4.16732 |
| 1988 | 4.25678 |
| 1987 | 4.28089 |
| 1986 | 4.28634 |
| 1985 | 4.29223 |
| 1984 | 4.28999 |
| 1983 | 4.28242 |
| 1982 | 4.28331 |
| 1981 | 4.28627 |
| 1980 | 4.28501 |
| 1979 | 4.29647 |
| 1978 | 4.32183 |
| 1977 | 4.34239 |
| 1976 | 4.36125 |
| 1975 | 4.38099 |
| 1974 | 4.40032 |
| 1973 | 4.41715 |
| 1972 | 4.43219 |
| 1971 | 4.44734 |
| 1970 | 4.46412 |
| 1969 | 4.48135 |
| 1968 | 4.49736 |
| 1967 | 4.51348 |
| 1966 | 4.53019 |
| 1965 | 4.54658 |
| 1964 | 4.56218 |
| 1963 | 4.57759 |
| 1962 | 4.59302 |
| 1961 | 4.60727 |
| 1960 | 4.61935 |