| 年份 | 尼日利亚 |
|---|---|
| 2023 | - |
| 2022 | 11.3113 |
| 2021 | 10.131 |
| 2020 | 7.84914 |
| 2019 | 10.3848 |
| 2018 | 10.2285 |
| 2017 | 11.1189 |
| 2016 | 9.54367 |
| 2015 | 2.86367 |
| 2014 | 4.66262 |
| 2013 | 4.96475 |
| 2012 | 9.94764 |
| 2011 | 9.77846 |
| 2010 | 26.7508 |
| 2009 | 0.686099 |
| 2008 | 7.92139 |
| 2007 | 7.09973 |
| 2006 | 23.8644 |
| 2005 | 19.8585 |
| 2004 | 20.7277 |
| 2003 | 9.80432 |
| 2002 | 21.1091 |
| 2001 | 10.0765 |
| 2000 | 22.6737 |
| 1999 | 13.4306 |
| 1998 | 6.00934 |
| 1997 | 5.05535 |
| 1996 | 26.4911 |
| 1995 | 75.4016 |
| 1994 | 43.2965 |
| 1993 | 41.6391 |
| 1992 | 46.7524 |
| 1991 | 18.8639 |
| 1990 | 6.66894 |
| 1989 | - |
| 1988 | - |
| 1987 | - |
| 1986 | - |
| 1985 | - |
| 1984 | - |
| 1983 | - |
| 1982 | - |
| 1981 | - |
| 1980 | - |
| 1979 | - |
| 1978 | - |
| 1977 | - |
| 1976 | - |
| 1975 | - |
| 1974 | - |
| 1973 | - |
| 1972 | - |
| 1971 | - |
| 1970 | - |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |