| 年份 | 尼日尔 |
|---|---|
| 2023 | - |
| 2022 | 394.57亿 |
| 2021 | 330.63亿 |
| 2020 | 312.1亿 |
| 2019 | 297.51亿 |
| 2018 | 275.88亿 |
| 2017 | 251.29亿 |
| 2016 | 239.77亿 |
| 2015 | 229.08亿 |
| 2014 | 219.82亿 |
| 2013 | 208.61亿 |
| 2012 | 206.19亿 |
| 2011 | 182.83亿 |
| 2010 | 174.98亿 |
| 2009 | 159.24亿 |
| 2008 | 155.18亿 |
| 2007 | 141.34亿 |
| 2006 | 133.42亿 |
| 2005 | 122.18亿 |
| 2004 | 110.38亿 |
| 2003 | 107.1亿 |
| 2002 | 102.8亿 |
| 2001 | 96.47亿 |
| 2000 | 87.96亿 |
| 1999 | 87.06亿 |
| 1998 | 86.04亿 |
| 1997 | 77.36亿 |
| 1996 | 74.91亿 |
| 1995 | 73.49亿 |
| 1994 | 70.25亿 |
| 1993 | 67.53亿 |
| 1992 | 65.76亿 |
| 1991 | 63.03亿 |
| 1990 | 61.24亿 |
| 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 | - |