| 年份 | 尼日尔 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | - |
| 2020 | - |
| 2019 | - |
| 2018 | 75.4164 |
| 2017 | 87.3571 |
| 2016 | 87.8483 |
| 2015 | 87.4385 |
| 2014 | 83.8104 |
| 2013 | 85.2527 |
| 2012 | 84.9864 |
| 2011 | 87.7874 |
| 2010 | 89.9502 |
| 2009 | 83.2085 |
| 2008 | 72.4311 |
| 2007 | 61.8462 |
| 2006 | 64.7535 |
| 2005 | 59.9248 |
| 2004 | 61.1576 |
| 2003 | 57.2528 |
| 2002 | 56.7771 |
| 2001 | 46.2133 |
| 2000 | 43.9104 |
| 1999 | 41.6236 |
| 1998 | 30.2559 |
| 1997 | 31.4496 |
| 1996 | 31.1884 |
| 1995 | 27.7833 |
| 1994 | - |
| 1993 | 25.7907 |
| 1992 | 25.3524 |
| 1991 | 26.2848 |
| 1990 | 26.6563 |
| 1989 | 27.8356 |
| 1988 | - |
| 1987 | 27.053 |
| 1986 | 24.7202 |
| 1985 | 21.9443 |
| 1984 | 19.837 |
| 1983 | 20.9823 |
| 1982 | 22.5196 |
| 1981 | 26.2228 |
| 1980 | 24.788 |
| 1979 | 20.3919 |
| 1978 | 21.6188 |
| 1977 | 22.0017 |
| 1976 | 24.2542 |
| 1975 | 17.8132 |
| 1974 | 17.298 |
| 1973 | 14.6668 |
| 1972 | 13.7158 |
| 1971 | 13.3979 |
| 1970 | - |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |