| 年份 | 尼日尔 |
|---|---|
| 2023 | - |
| 2022 | 376.122 |
| 2021 | 368.327 |
| 2020 | 371.583 |
| 2019 | 366.384 |
| 2018 | 365.309 |
| 2017 | 356.029 |
| 2016 | 341.616 |
| 2015 | 323.963 |
| 2014 | 314.952 |
| 2013 | 320.579 |
| 2012 | 318.478 |
| 2011 | 307.883 |
| 2010 | 307.324 |
| 2009 | 299.499 |
| 2008 | 292.448 |
| 2007 | 303.286 |
| 2006 | 302.523 |
| 2005 | 301.703 |
| 2004 | 308.852 |
| 2003 | 308.879 |
| 2002 | 308.111 |
| 2001 | 303.737 |
| 2000 | 294.155 |
| 1999 | 308.399 |
| 1998 | 309.303 |
| 1997 | 310.788 |
| 1996 | 312.514 |
| 1995 | 333.074 |
| 1994 | 326.179 |
| 1993 | 330.179 |
| 1992 | 317.794 |
| 1991 | 346.629 |
| 1990 | 345.697 |
| 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 | - |