| 年份 | 尼日尔 |
|---|---|
| 2023 | - |
| 2022 | 48.7506 |
| 2021 | 48.676 |
| 2020 | 48.6159 |
| 2019 | 48.5773 |
| 2018 | 48.5537 |
| 2017 | 48.5376 |
| 2016 | 48.5172 |
| 2015 | 48.4803 |
| 2014 | 48.4371 |
| 2013 | 48.4095 |
| 2012 | 48.3971 |
| 2011 | 48.4259 |
| 2010 | 48.5242 |
| 2009 | 48.665 |
| 2008 | 48.8397 |
| 2007 | 49.0367 |
| 2006 | 49.249 |
| 2005 | 49.4721 |
| 2004 | 49.7066 |
| 2003 | 49.942 |
| 2002 | 50.1617 |
| 2001 | 50.3636 |
| 2000 | 50.5436 |
| 1999 | 50.6996 |
| 1998 | 50.8354 |
| 1997 | 50.953 |
| 1996 | 51.035 |
| 1995 | 51.0485 |
| 1994 | 51.0135 |
| 1993 | 50.9681 |
| 1992 | 50.9236 |
| 1991 | 50.8793 |
| 1990 | 50.8324 |
| 1989 | 50.7802 |
| 1988 | 50.7322 |
| 1987 | 50.7072 |
| 1986 | 50.6968 |
| 1985 | 50.7082 |
| 1984 | 50.757 |
| 1983 | 50.816 |
| 1982 | 50.869 |
| 1981 | 50.9188 |
| 1980 | 50.9514 |
| 1979 | 50.9461 |
| 1978 | 50.8975 |
| 1977 | 50.8085 |
| 1976 | 50.6866 |
| 1975 | 50.5466 |
| 1974 | 50.3978 |
| 1973 | 50.2481 |
| 1972 | 50.1014 |
| 1971 | 49.9599 |
| 1970 | 49.8267 |
| 1969 | 49.7057 |
| 1968 | 49.5986 |
| 1967 | 49.5105 |
| 1966 | 49.4432 |
| 1965 | 49.3903 |
| 1964 | 49.5434 |
| 1963 | 49.852 |
| 1962 | 50.0195 |
| 1961 | 50.0563 |
| 1960 | 50.0378 |