| 年份 | 尼日尔 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 64.7559 |
| 2020 | 69.2877 |
| 2019 | 66.1712 |
| 2018 | 66.9701 |
| 2017 | 74.1426 |
| 2016 | 72.7572 |
| 2015 | 70.9169 |
| 2014 | 68.7896 |
| 2013 | 68.1794 |
| 2012 | 67.3207 |
| 2011 | 65.4003 |
| 2010 | 61.6604 |
| 2009 | 57.9058 |
| 2008 | 54.0345 |
| 2007 | 50.2298 |
| 2006 | 47.8861 |
| 2005 | 47.3458 |
| 2004 | 45.6185 |
| 2003 | 41.7342 |
| 2002 | 38.6836 |
| 2001 | 34.7515 |
| 2000 | 31.8469 |
| 1999 | 30.1673 |
| 1998 | 28.3528 |
| 1997 | 28.1341 |
| 1996 | 27.457 |
| 1995 | 27.3189 |
| 1994 | 26.9886 |
| 1993 | 26.0153 |
| 1992 | 25.6534 |
| 1991 | 26.3502 |
| 1990 | 25.4369 |
| 1989 | 24.8127 |
| 1988 | 23.8513 |
| 1987 | 24.1464 |
| 1986 | 23.5482 |
| 1985 | 22.2257 |
| 1984 | 22.8197 |
| 1983 | 22.7782 |
| 1982 | 22.8864 |
| 1981 | 22.7706 |
| 1980 | 21.3858 |
| 1979 | 19.5122 |
| 1978 | 18.7826 |
| 1977 | 17.3427 |
| 1976 | 15.7854 |
| 1975 | 13.7268 |
| 1974 | 12.8199 |
| 1973 | 11.9942 |
| 1972 | 11.517 |
| 1971 | 11.0792 |
| 1970 | - |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |