| 年份 | 尼日利亚 |
|---|---|
| 2023 | - |
| 2022 | 49.4612 |
| 2021 | 49.4722 |
| 2020 | 49.4818 |
| 2019 | 49.4941 |
| 2018 | 49.5104 |
| 2017 | 49.5271 |
| 2016 | 49.545 |
| 2015 | 49.5622 |
| 2014 | 49.5763 |
| 2013 | 49.5891 |
| 2012 | 49.6026 |
| 2011 | 49.6176 |
| 2010 | 49.6334 |
| 2009 | 49.65 |
| 2008 | 49.6668 |
| 2007 | 49.6804 |
| 2006 | 49.6908 |
| 2005 | 49.6973 |
| 2004 | 49.7026 |
| 2003 | 49.7093 |
| 2002 | 49.7166 |
| 2001 | 49.727 |
| 2000 | 49.7376 |
| 1999 | 49.7463 |
| 1998 | 49.7555 |
| 1997 | 49.7624 |
| 1996 | 49.7627 |
| 1995 | 49.7606 |
| 1994 | 49.7645 |
| 1993 | 49.7702 |
| 1992 | 49.772 |
| 1991 | 49.7706 |
| 1990 | 49.7747 |
| 1989 | 49.7878 |
| 1988 | 49.8001 |
| 1987 | 49.8105 |
| 1986 | 49.8189 |
| 1985 | 49.8269 |
| 1984 | 49.8416 |
| 1983 | 49.8578 |
| 1982 | 49.8678 |
| 1981 | 49.879 |
| 1980 | 49.8893 |
| 1979 | 49.8984 |
| 1978 | 49.9088 |
| 1977 | 49.921 |
| 1976 | 49.9379 |
| 1975 | 49.9596 |
| 1974 | 49.9854 |
| 1973 | 50.0134 |
| 1972 | 50.0401 |
| 1971 | 50.0648 |
| 1970 | 50.0868 |
| 1969 | 50.0938 |
| 1968 | 50.0851 |
| 1967 | 50.0701 |
| 1966 | 50.0668 |
| 1965 | 50.0764 |
| 1964 | 50.0815 |
| 1963 | 50.086 |
| 1962 | 50.0922 |
| 1961 | 50.0971 |
| 1960 | 50.101 |