| 年份 | 尼日尔 |
|---|---|
| 2023 | - |
| 2022 | 165.44亿 |
| 2021 | 150.16亿 |
| 2020 | 146.8亿 |
| 2019 | 141.05亿 |
| 2018 | 132.43亿 |
| 2017 | 121.43亿 |
| 2016 | 115.22亿 |
| 2015 | 112.52亿 |
| 2014 | 105.75亿 |
| 2013 | 98.6亿 |
| 2012 | 93.99亿 |
| 2011 | 89.35亿 |
| 2010 | 86.74亿 |
| 2009 | 80.26亿 |
| 2008 | 74.93亿 |
| 2007 | 67.01亿 |
| 2006 | 64.73亿 |
| 2005 | 61.85亿 |
| 2004 | 57.66亿 |
| 2003 | 57.01亿 |
| 2002 | 55.97亿 |
| 2001 | 53亿 |
| 2000 | 48.9亿 |
| 1999 | 49.41亿 |
| 1998 | 49.71亿 |
| 1997 | 45.93亿 |
| 1996 | 44.83亿 |
| 1995 | 45.81亿 |
| 1994 | 43.93亿 |
| 1993 | 41.54亿 |
| 1992 | 39.87亿 |
| 1991 | 41.99亿 |
| 1990 | 41.44亿 |
| 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 | - |