| 年份 | 尼日尔 |
|---|---|
| 2023 | - |
| 2022 | 241.23亿 |
| 2021 | 227.62亿 |
| 2020 | 221.28亿 |
| 2019 | 210.2亿 |
| 2018 | 201.84亿 |
| 2017 | 189.4亿 |
| 2016 | 174.91亿 |
| 2015 | 159.58亿 |
| 2014 | 149.31亿 |
| 2013 | 146.34亿 |
| 2012 | 139.93亿 |
| 2011 | 130.22亿 |
| 2010 | 125.2亿 |
| 2009 | 117.55亿 |
| 2008 | 110.61亿 |
| 2007 | 110.57亿 |
| 2006 | 106.35亿 |
| 2005 | 102.3亿 |
| 2004 | 101.03亿 |
| 2003 | 97.52亿 |
| 2002 | 93.92亿 |
| 2001 | 89.43亿 |
| 2000 | 83.67亿 |
| 1999 | 84.77亿 |
| 1998 | 82.16亿 |
| 1997 | 79.82亿 |
| 1996 | 77.63亿 |
| 1995 | 79.99亿 |
| 1994 | 75.78亿 |
| 1993 | 74.28亿 |
| 1992 | 69.28亿 |
| 1991 | 73.25亿 |
| 1990 | 70.82亿 |
| 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 | - |