| 年份 | 尼日尔 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | - |
| 2020 | - |
| 2019 | - |
| 2018 | - |
| 2017 | 29.7317 |
| 2016 | 26.7395 |
| 2015 | 27.9595 |
| 2014 | 25.1146 |
| 2013 | 26.7683 |
| 2012 | - |
| 2011 | 34.6795 |
| 2010 | 30.8371 |
| 2009 | - |
| 2008 | - |
| 2007 | - |
| 2006 | 29.4864 |
| 2005 | 27.3844 |
| 2004 | 30.8601 |
| 2003 | 28.6285 |
| 2002 | 26.8987 |
| 2001 | 23.5417 |
| 2000 | 23.4036 |
| 1999 | 24.386 |
| 1998 | 27.3344 |
| 1997 | 27.2911 |
| 1996 | 26.1015 |
| 1995 | - |
| 1994 | - |
| 1993 | - |
| 1992 | 26.5777 |
| 1991 | 27.6605 |
| 1990 | 25.8517 |
| 1989 | 26.9407 |
| 1988 | 28.7415 |
| 1987 | - |
| 1986 | - |
| 1985 | - |
| 1984 | - |
| 1983 | - |
| 1982 | - |
| 1981 | 30.2656 |
| 1980 | 27.1938 |
| 1979 | 28.2997 |
| 1978 | 26.1927 |
| 1977 | 22.9962 |
| 1976 | 22.7033 |
| 1975 | 21.0461 |
| 1974 | 20.6085 |
| 1973 | 18.8069 |
| 1972 | 20.7682 |
| 1971 | 20.2283 |
| 1970 | - |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |