| 年份 | 尼日利亚 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 43.3096 |
| 2020 | 44.0527 |
| 2019 | 45.121 |
| 2018 | 44.701 |
| 2017 | 44.2589 |
| 2016 | 44.071 |
| 2015 | 43.4795 |
| 2014 | 43.3985 |
| 2013 | 43.3305 |
| 2012 | 43.0529 |
| 2011 | 42.846 |
| 2010 | 42.1586 |
| 2009 | 41.7646 |
| 2008 | 41.0126 |
| 2007 | 40.4617 |
| 2006 | 40.0653 |
| 2005 | 39.3408 |
| 2004 | 38.5726 |
| 2003 | 38.115 |
| 2002 | 37.4657 |
| 2001 | 37.2575 |
| 2000 | 36.6799 |
| 1999 | 35.7712 |
| 1998 | 35.0045 |
| 1997 | 34.2962 |
| 1996 | 33.891 |
| 1995 | 33.9823 |
| 1994 | 34.2583 |
| 1993 | 34.6981 |
| 1992 | 34.6088 |
| 1991 | 34.7959 |
| 1990 | 35.6172 |
| 1989 | 36.0323 |
| 1988 | 35.9053 |
| 1987 | 35.9009 |
| 1986 | 36.0222 |
| 1985 | 36.5141 |
| 1984 | 37.1418 |
| 1983 | 37.3144 |
| 1982 | 37.1039 |
| 1981 | 37.3564 |
| 1980 | 37.0495 |
| 1979 | 37.23 |
| 1978 | 37.1204 |
| 1977 | 36.8221 |
| 1976 | 35.9114 |
| 1975 | 34.552 |
| 1974 | 33.4718 |
| 1973 | 32.5104 |
| 1972 | 31.4026 |
| 1971 | 30.3529 |
| 1970 | 29.1375 |
| 1969 | 26.4985 |
| 1968 | 25.9931 |
| 1967 | 24.3955 |
| 1966 | 27.6105 |
| 1965 | 27.3919 |
| 1964 | 26.8164 |
| 1963 | 26.6941 |
| 1962 | 26.2769 |
| 1961 | 26.0969 |
| 1960 | 25.7309 |