| 年份 | 尼日尔 |
|---|---|
| 2023 | - |
| 2022 | 1505.54 |
| 2021 | 1309.29 |
| 2020 | 1282.57 |
| 2019 | 1269.07 |
| 2018 | 1221.96 |
| 2017 | 1155.97 |
| 2016 | 1146.01 |
| 2015 | 1138.11 |
| 2014 | 1134.74 |
| 2013 | 1118.35 |
| 2012 | 1148.4 |
| 2011 | 1057.84 |
| 2010 | 1051.09 |
| 2009 | 992.914 |
| 2008 | 1004.08 |
| 2007 | 948.695 |
| 2006 | 928.796 |
| 2005 | 881.854 |
| 2004 | 825.737 |
| 2003 | 830.183 |
| 2002 | 825.239 |
| 2001 | 801.846 |
| 2000 | 756.756 |
| 1999 | 775.132 |
| 1998 | 792.616 |
| 1997 | 737.216 |
| 1996 | 738.026 |
| 1995 | 748.818 |
| 1994 | 740.023 |
| 1993 | 734.59 |
| 1992 | 738.2 |
| 1991 | 729.967 |
| 1990 | 731.573 |
| 1989 | - |
| 1988 | - |
| 1987 | - |
| 1986 | - |
| 1985 | - |
| 1984 | - |
| 1983 | - |
| 1982 | - |
| 1981 | - |
| 1980 | - |
| 1979 | - |
| 1978 | - |
| 1977 | - |
| 1976 | - |
| 1975 | - |
| 1974 | - |
| 1973 | - |
| 1972 | - |
| 1971 | - |
| 1970 | - |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |