| 年份 | 尼日利亚 |
|---|---|
| 2023 | - |
| 2022 | 2449.59 |
| 2021 | 2429.59 |
| 2020 | 2401.18 |
| 2019 | 2505.46 |
| 2018 | 2512.08 |
| 2017 | 2527 |
| 2016 | 2570.96 |
| 2015 | 2679.55 |
| 2014 | 2677.49 |
| 2013 | 2585.65 |
| 2012 | 2490.21 |
| 2011 | 2455.75 |
| 2010 | 2397.32 |
| 2009 | 2281.39 |
| 2008 | 2170.06 |
| 2007 | 2088.6 |
| 2006 | 2013.27 |
| 2005 | 1950.12 |
| 2004 | 1882.18 |
| 2003 | 1769.88 |
| 2002 | 1693.75 |
| 2001 | 1508.55 |
| 2000 | 1462.54 |
| 1999 | 1429.41 |
| 1998 | 1457.7 |
| 1997 | 1457.23 |
| 1996 | 1451.82 |
| 1995 | 1429.01 |
| 1994 | 1467.09 |
| 1993 | 1533.18 |
| 1992 | 1605.55 |
| 1991 | 1573.7 |
| 1990 | 1608.78 |
| 1989 | 1477.61 |
| 1988 | 1488.18 |
| 1987 | 1422.83 |
| 1986 | 1414.7 |
| 1985 | 1451.37 |
| 1984 | 1408.21 |
| 1983 | 1459.74 |
| 1982 | 1680.34 |
| 1981 | 1856.07 |
| 1980 | 2201.69 |
| 1979 | 2178.58 |
| 1978 | 2103.59 |
| 1977 | 2300.77 |
| 1976 | 2234.86 |
| 1975 | 2108.46 |
| 1974 | 2286.36 |
| 1973 | 2110.38 |
| 1972 | 2051.68 |
| 1971 | 2031.56 |
| 1970 | 1818.96 |
| 1969 | 1487.43 |
| 1968 | 1223.53 |
| 1967 | 1265.24 |
| 1966 | 1533.63 |
| 1965 | 1636.82 |
| 1964 | 1594.75 |
| 1963 | 1552.37 |
| 1962 | 1460.28 |
| 1961 | 1432.28 |
| 1960 | 1459.04 |