| 年份 | 尼日利亚 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 6.86十万 |
| 2020 | 6.85十万 |
| 2019 | 6.83十万 |
| 2018 | 6.82十万 |
| 2017 | 6.8十万 |
| 2016 | 6.79十万 |
| 2015 | 6.77十万 |
| 2014 | 6.76十万 |
| 2013 | 6.74十万 |
| 2012 | 6.73十万 |
| 2011 | 6.71十万 |
| 2010 | 6.7十万 |
| 2009 | 6.68十万 |
| 2008 | 6.67十万 |
| 2007 | 6.65十万 |
| 2006 | 6.64十万 |
| 2005 | 6.63十万 |
| 2004 | 6.61十万 |
| 2003 | 6.6十万 |
| 2002 | 6.58十万 |
| 2001 | 6.57十万 |
| 2000 | 6.55十万 |
| 1999 | 6.54十万 |
| 1998 | 6.52十万 |
| 1997 | 6.44十万 |
| 1996 | 6.42十万 |
| 1995 | 6.41十万 |
| 1994 | 6.19十万 |
| 1993 | 6.1十万 |
| 1992 | 6.06十万 |
| 1991 | 5.94十万 |
| 1990 | 5.87十万 |
| 1989 | 5.81十万 |
| 1988 | 5.8十万 |
| 1987 | 5.78十万 |
| 1986 | 5.77十万 |
| 1985 | 5.75十万 |
| 1984 | 5.72十万 |
| 1983 | 5.69十万 |
| 1982 | 5.68十万 |
| 1981 | 5.66十万 |
| 1980 | 5.65十万 |
| 1979 | 5.63十万 |
| 1978 | 5.6十万 |
| 1977 | 5.59十万 |
| 1976 | 5.6十万 |
| 1975 | 5.59十万 |
| 1974 | 5.57十万 |
| 1973 | 5.56十万 |
| 1972 | 5.54十万 |
| 1971 | 5.53十万 |
| 1970 | 5.52十万 |
| 1969 | 5.5十万 |
| 1968 | 5.47十万 |
| 1967 | 5.46十万 |
| 1966 | 5.48十万 |
| 1965 | 5.48十万 |
| 1964 | 5.46十万 |
| 1963 | 5.45十万 |
| 1962 | 5.43十万 |
| 1961 | 5.42十万 |
| 1960 | - |