| 年份 | 尼日利亚  | 
                                                            
|---|---|
| 2023 | - | 
| 2022 | 3.47十万 | 
| 2021 | 3.44十万 | 
| 2020 | 3.4十万 | 
| 2019 | 3.55十万 | 
| 2018 | 3.56十万 | 
| 2017 | 3.58十万 | 
| 2016 | 3.64十万 | 
| 2015 | 3.79十万 | 
| 2014 | 3.79十万 | 
| 2013 | 3.66十万 | 
| 2012 | 3.52十万 | 
| 2011 | 3.48十万 | 
| 2010 | 3.39十万 | 
| 2009 | 3.23十万 | 
| 2008 | 3.07十万 | 
| 2007 | 2.96十万 | 
| 2006 | 2.85十万 | 
| 2005 | 2.76十万 | 
| 2004 | 2.66十万 | 
| 2003 | 2.51十万 | 
| 2002 | 2.4十万 | 
| 2001 | 2.14十万 | 
| 2000 | 2.07十万 | 
| 1999 | 2.02十万 | 
| 1998 | 2.06十万 | 
| 1997 | 2.06十万 | 
| 1996 | 2.05十万 | 
| 1995 | 2.02十万 | 
| 1994 | 2.08十万 | 
| 1993 | 2.17十万 | 
| 1992 | 2.27十万 | 
| 1991 | 2.23十万 | 
| 1990 | 2.28十万 | 
| 1989 | 2.09十万 | 
| 1988 | 2.11十万 | 
| 1987 | 2.01十万 | 
| 1986 | 2十万 | 
| 1985 | 2.05十万 | 
| 1984 | 1.99十万 | 
| 1983 | 2.07十万 | 
| 1982 | 2.38十万 | 
| 1981 | 2.63十万 | 
| 1980 | 3.12十万 | 
| 1979 | 3.08十万 | 
| 1978 | 2.98十万 | 
| 1977 | 3.26十万 | 
| 1976 | 3.16十万 | 
| 1975 | 2.98十万 | 
| 1974 | 3.24十万 | 
| 1973 | 2.99十万 | 
| 1972 | 2.9十万 | 
| 1971 | 2.88十万 | 
| 1970 | 2.57十万 | 
| 1969 | 2.11十万 | 
| 1968 | 1.73十万 | 
| 1967 | 1.79十万 | 
| 1966 | 2.17十万 | 
| 1965 | 2.32十万 | 
| 1964 | 2.26十万 | 
| 1963 | 2.2十万 | 
| 1962 | 2.07十万 | 
| 1961 | 2.03十万 | 
| 1960 | 2.07十万 |