| 年份 | 尼日利亚  | 
                                                            
|---|---|
| 2023 | - | 
| 2022 | 16.1503 | 
| 2021 | 16.2796 | 
| 2020 | 16.4058 | 
| 2019 | 16.545 | 
| 2018 | 16.6971 | 
| 2017 | 16.8671 | 
| 2016 | 17.0484 | 
| 2015 | 17.2215 | 
| 2014 | 17.3772 | 
| 2013 | 17.5132 | 
| 2012 | 17.6157 | 
| 2011 | 17.6782 | 
| 2010 | 17.7156 | 
| 2009 | 17.7302 | 
| 2008 | 17.7245 | 
| 2007 | 17.7152 | 
| 2006 | 17.6989 | 
| 2005 | 17.6629 | 
| 2004 | 17.6068 | 
| 2003 | 17.5183 | 
| 2002 | 17.4122 | 
| 2001 | 17.3267 | 
| 2000 | 17.2694 | 
| 1999 | 17.2367 | 
| 1998 | 17.2315 | 
| 1997 | 17.2352 | 
| 1996 | 17.2239 | 
| 1995 | 17.2007 | 
| 1994 | 17.1842 | 
| 1993 | 17.1809 | 
| 1992 | 17.1939 | 
| 1991 | 17.2368 | 
| 1990 | 17.3229 | 
| 1989 | 17.4518 | 
| 1988 | 17.625 | 
| 1987 | 17.8212 | 
| 1986 | 18.001 | 
| 1985 | 18.1584 | 
| 1984 | 18.2911 | 
| 1983 | 18.3837 | 
| 1982 | 18.4349 | 
| 1981 | 18.4508 | 
| 1980 | 18.4363 | 
| 1979 | 18.3841 | 
| 1978 | 18.2715 | 
| 1977 | 18.1276 | 
| 1976 | 17.9741 | 
| 1975 | 17.7992 | 
| 1974 | 17.6203 | 
| 1973 | 17.4694 | 
| 1972 | 17.3511 | 
| 1971 | 17.2569 | 
| 1970 | 17.1994 | 
| 1969 | 17.1742 | 
| 1968 | 17.1543 | 
| 1967 | 17.1373 | 
| 1966 | 17.1055 | 
| 1965 | 17.0521 | 
| 1964 | 16.9884 | 
| 1963 | 16.9177 | 
| 1962 | 16.85 | 
| 1961 | 16.7909 | 
| 1960 | 16.7397 |