| 年份 | 毛里塔尼亚 |
|---|---|
| 2023 | - |
| 2022 | 5.65365 |
| 2021 | 5.60191 |
| 2020 | 5.54663 |
| 2019 | 5.49147 |
| 2018 | 5.44104 |
| 2017 | 5.39703 |
| 2016 | 5.35991 |
| 2015 | 5.32882 |
| 2014 | 5.30177 |
| 2013 | 5.27587 |
| 2012 | 5.26688 |
| 2011 | 5.27651 |
| 2010 | 5.28921 |
| 2009 | 5.30737 |
| 2008 | 5.33316 |
| 2007 | 5.35573 |
| 2006 | 5.36604 |
| 2005 | 5.36262 |
| 2004 | 5.34018 |
| 2003 | 5.30108 |
| 2002 | 5.24849 |
| 2001 | 5.18848 |
| 2000 | 5.11929 |
| 1999 | 5.04245 |
| 1998 | 4.97127 |
| 1997 | 4.90584 |
| 1996 | 4.8586 |
| 1995 | 4.82822 |
| 1994 | 4.77666 |
| 1993 | 4.70705 |
| 1992 | 4.61923 |
| 1991 | 4.54935 |
| 1990 | 4.52545 |
| 1989 | 4.51711 |
| 1988 | 4.5511 |
| 1987 | 4.63575 |
| 1986 | 4.7483 |
| 1985 | 4.87355 |
| 1984 | 5.01501 |
| 1983 | 5.11859 |
| 1982 | 5.1531 |
| 1981 | 5.16569 |
| 1980 | 5.17801 |
| 1979 | 5.17903 |
| 1978 | 5.17322 |
| 1977 | 5.17754 |
| 1976 | 5.18203 |
| 1975 | 5.17948 |
| 1974 | 5.19297 |
| 1973 | 5.22333 |
| 1972 | 5.24844 |
| 1971 | 5.2734 |
| 1970 | 5.30099 |
| 1969 | 5.32913 |
| 1968 | 5.35435 |
| 1967 | 5.37732 |
| 1966 | 5.39983 |
| 1965 | 5.4221 |
| 1964 | 5.44234 |
| 1963 | 5.45939 |
| 1962 | 5.47425 |
| 1961 | 5.48817 |
| 1960 | 5.50115 |