| 年份 | 尼日尔 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 67.653 |
| 2020 | 72.94 |
| 2019 | 70.4237 |
| 2018 | 71.7691 |
| 2017 | 79.4417 |
| 2016 | 78.4531 |
| 2015 | 76.7392 |
| 2014 | 74.4053 |
| 2013 | 74.1728 |
| 2012 | 73.3983 |
| 2011 | 71.8332 |
| 2010 | 68.1514 |
| 2009 | 64.7388 |
| 2008 | 60.9054 |
| 2007 | 57.7816 |
| 2006 | 55.4928 |
| 2005 | 55.1161 |
| 2004 | 53.5032 |
| 2003 | 49.1062 |
| 2002 | 45.8076 |
| 2001 | 41.2776 |
| 2000 | 37.9552 |
| 1999 | 36.0513 |
| 1998 | 34.1539 |
| 1997 | 34.1802 |
| 1996 | 33.6953 |
| 1995 | 33.5407 |
| 1994 | 34.0811 |
| 1993 | 32.2242 |
| 1992 | 31.8735 |
| 1991 | 32.9675 |
| 1990 | 31.7988 |
| 1989 | 31.0971 |
| 1988 | 30.1452 |
| 1987 | 30.3513 |
| 1986 | 29.5598 |
| 1985 | 27.9913 |
| 1984 | 28.8939 |
| 1983 | 28.5276 |
| 1982 | 28.9571 |
| 1981 | 29.0527 |
| 1980 | 27.2025 |
| 1979 | 24.3101 |
| 1978 | 23.9839 |
| 1977 | 22.1257 |
| 1976 | 20.1703 |
| 1975 | 17.4308 |
| 1974 | 16.2793 |
| 1973 | 15.3745 |
| 1972 | 14.8299 |
| 1971 | 14.2932 |
| 1970 | - |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |