| 年份 | 尼日尔 |
|---|---|
| 2023 | - |
| 2022 | 1274.64 |
| 2021 | 1186.53 |
| 2020 | 1214.54 |
| 2019 | 1217.44 |
| 2018 | 1193.27 |
| 2017 | 1155.97 |
| 2016 | 1143.82 |
| 2015 | 1124.37 |
| 2014 | 1119.09 |
| 2013 | 1089.83 |
| 2012 | 1075.11 |
| 2011 | 1010.29 |
| 2010 | 1024.7 |
| 2009 | 979.617 |
| 2008 | 996.987 |
| 2007 | 960.056 |
| 2006 | 965.321 |
| 2005 | 944.812 |
| 2004 | 912.431 |
| 2003 | 941.97 |
| 2002 | 954.84 |
| 2001 | 942.232 |
| 2000 | 909.283 |
| 1999 | 952.464 |
| 1998 | 987.672 |
| 1997 | 928.978 |
| 1996 | 946.037 |
| 1995 | 977.446 |
| 1994 | 986.22 |
| 1993 | 999.885 |
| 1992 | 1028.62 |
| 1991 | 1040.32 |
| 1990 | 1077.87 |
| 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 | - |