| 年份 | 尼日利亚 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 104.3 |
| 2020 | 107.4 |
| 2019 | 110.3 |
| 2018 | 113.2 |
| 2017 | 115.8 |
| 2016 | 117.8 |
| 2015 | 119.4 |
| 2014 | 120.8 |
| 2013 | 122.3 |
| 2012 | 123.9 |
| 2011 | 125.8 |
| 2010 | 127.9 |
| 2009 | 130.5 |
| 2008 | 133.6 |
| 2007 | 137.2 |
| 2006 | 141.3 |
| 2005 | 146.3 |
| 2004 | 151.4 |
| 2003 | 156.9 |
| 2002 | 162.6 |
| 2001 | 168.1 |
| 2000 | 173.6 |
| 1999 | 178.5 |
| 1998 | 183.2 |
| 1997 | 187.9 |
| 1996 | 191.4 |
| 1995 | 194 |
| 1994 | 195.7 |
| 1993 | 196.9 |
| 1992 | 197.4 |
| 1991 | 197.8 |
| 1990 | 198.2 |
| 1989 | 198.4 |
| 1988 | 198.3 |
| 1987 | 197.8 |
| 1986 | 197.4 |
| 1985 | 196.7 |
| 1984 | 196.2 |
| 1983 | 196.2 |
| 1982 | 197.1 |
| 1981 | 199 |
| 1980 | 201.9 |
| 1979 | 206 |
| 1978 | 211.2 |
| 1977 | 217.3 |
| 1976 | 224.2 |
| 1975 | 231.7 |
| 1974 | 239.6 |
| 1973 | 247.7 |
| 1972 | 256 |
| 1971 | 264.1 |
| 1970 | 271.6 |
| 1969 | 279 |
| 1968 | 285.9 |
| 1967 | 292.5 |
| 1966 | 299 |
| 1965 | 305.5 |
| 1964 | 312.3 |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |