| 年份 | 尼日利亚 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 110.8 |
| 2020 | 113.8 |
| 2019 | 116.8 |
| 2018 | 119.6 |
| 2017 | 122.4 |
| 2016 | 124.7 |
| 2015 | 126.4 |
| 2014 | 128 |
| 2013 | 129.6 |
| 2012 | 131.4 |
| 2011 | 133.4 |
| 2010 | 135.7 |
| 2009 | 138.5 |
| 2008 | 141.9 |
| 2007 | 145.8 |
| 2006 | 150.2 |
| 2005 | 155.1 |
| 2004 | 160.4 |
| 2003 | 165.8 |
| 2002 | 171.4 |
| 2001 | 177 |
| 2000 | 182.4 |
| 1999 | 187.7 |
| 1998 | 192.8 |
| 1997 | 197.2 |
| 1996 | 201 |
| 1995 | 203.7 |
| 1994 | 205.7 |
| 1993 | 207.2 |
| 1992 | 208.1 |
| 1991 | 208.8 |
| 1990 | 209.3 |
| 1989 | 209.6 |
| 1988 | 209.4 |
| 1987 | 209 |
| 1986 | 208.1 |
| 1985 | 207.2 |
| 1984 | 206.6 |
| 1983 | 206.6 |
| 1982 | 207.4 |
| 1981 | 209.4 |
| 1980 | 212.6 |
| 1979 | 216.9 |
| 1978 | 222.2 |
| 1977 | 228.4 |
| 1976 | 235.4 |
| 1975 | 243 |
| 1974 | 251.1 |
| 1973 | 259.4 |
| 1972 | 267.7 |
| 1971 | 276 |
| 1970 | 283.7 |
| 1969 | 291 |
| 1968 | 298 |
| 1967 | 304.8 |
| 1966 | 311.5 |
| 1965 | 318.3 |
| 1964 | 325.2 |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |