| 年份 | 尼日利亚 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 52.285 |
| 2020 | 52.456 |
| 2019 | 52.651 |
| 2018 | 52.331 |
| 2017 | 52.017 |
| 2016 | 51.848 |
| 2015 | 51.477 |
| 2014 | 51.383 |
| 2013 | 51.295 |
| 2012 | 51.094 |
| 2011 | 50.92 |
| 2010 | 50.483 |
| 2009 | 50.182 |
| 2008 | 49.678 |
| 2007 | 49.258 |
| 2006 | 48.901 |
| 2005 | 48.362 |
| 2004 | 47.785 |
| 2003 | 47.377 |
| 2002 | 46.867 |
| 2001 | 46.58 |
| 2000 | 46.095 |
| 1999 | 45.446 |
| 1998 | 44.89 |
| 1997 | 44.385 |
| 1996 | 44.052 |
| 1995 | 44.004 |
| 1994 | 44.079 |
| 1993 | 44.232 |
| 1992 | 44.145 |
| 1991 | 44.197 |
| 1990 | 44.597 |
| 1989 | 44.788 |
| 1988 | 44.729 |
| 1987 | 44.745 |
| 1986 | 44.841 |
| 1985 | 45.126 |
| 1984 | 45.473 |
| 1983 | 45.571 |
| 1982 | 45.434 |
| 1981 | 45.504 |
| 1980 | 45.23 |
| 1979 | 45.187 |
| 1978 | 44.957 |
| 1977 | 44.597 |
| 1976 | 43.887 |
| 1975 | 42.922 |
| 1974 | 42.106 |
| 1973 | 41.331 |
| 1972 | 40.488 |
| 1971 | 39.68 |
| 1970 | 38.78 |
| 1969 | 37.244 |
| 1968 | 36.911 |
| 1967 | 35.94 |
| 1966 | 37.784 |
| 1965 | 37.582 |
| 1964 | 37.22 |
| 1963 | 37.069 |
| 1962 | 36.679 |
| 1961 | 36.487 |
| 1960 | 36.2 |