| 年份 | 尼日尔 |
|---|---|
| 2023 | - |
| 2022 | 10.8049 |
| 2021 | 10.7603 |
| 2020 | 10.7097 |
| 2019 | 10.6573 |
| 2018 | 10.6077 |
| 2017 | 10.5593 |
| 2016 | 10.5086 |
| 2015 | 10.448 |
| 2014 | 10.3721 |
| 2013 | 10.2849 |
| 2012 | 10.1895 |
| 2011 | 10.0914 |
| 2010 | 10.0033 |
| 2009 | 9.93225 |
| 2008 | 9.88148 |
| 2007 | 9.85756 |
| 2006 | 9.85849 |
| 2005 | 9.88325 |
| 2004 | 9.93982 |
| 2003 | 10.0128 |
| 2002 | 10.0865 |
| 2001 | 10.1666 |
| 2000 | 10.2421 |
| 1999 | 10.2943 |
| 1998 | 10.3253 |
| 1997 | 10.3294 |
| 1996 | 10.3011 |
| 1995 | 10.2507 |
| 1994 | 10.1897 |
| 1993 | 10.1321 |
| 1992 | 10.0923 |
| 1991 | 10.0724 |
| 1990 | 10.0675 |
| 1989 | 10.0769 |
| 1988 | 10.1019 |
| 1987 | 10.1452 |
| 1986 | 10.2006 |
| 1985 | 10.2628 |
| 1984 | 10.334 |
| 1983 | 10.4069 |
| 1982 | 10.4706 |
| 1981 | 10.5238 |
| 1980 | 10.5673 |
| 1979 | 10.5954 |
| 1978 | 10.6049 |
| 1977 | 10.5978 |
| 1976 | 10.5771 |
| 1975 | 10.5486 |
| 1974 | 10.5147 |
| 1973 | 10.4773 |
| 1972 | 10.4395 |
| 1971 | 10.3981 |
| 1970 | 10.3507 |
| 1969 | 10.2738 |
| 1968 | 10.1936 |
| 1967 | 10.2263 |
| 1966 | 10.3882 |
| 1965 | 10.6108 |
| 1964 | 10.8956 |
| 1963 | 11.1957 |
| 1962 | 11.3617 |
| 1961 | 11.3744 |
| 1960 | 11.3192 |