| 年份 | 尼日尔 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 8.74十万 |
| 2020 | - |
| 2019 | 7.68十万 |
| 2018 | 7.17十万 |
| 2017 | 5.54十万 |
| 2016 | 5.83十万 |
| 2015 | 5.78十万 |
| 2014 | 5.87十万 |
| 2013 | 5.61十万 |
| 2012 | 5.3十万 |
| 2011 | 5.18十万 |
| 2010 | 5.64十万 |
| 2009 | 5.99十万 |
| 2008 | 6.26十万 |
| 2007 | 6.35十万 |
| 2006 | 6.18十万 |
| 2005 | 6.04十万 |
| 2004 | 5.73十万 |
| 2003 | 5.9十万 |
| 2002 | 6.03十万 |
| 2001 | 6.18十万 |
| 2000 | 6.35十万 |
| 1999 | 6.2十万 |
| 1998 | 6.17十万 |
| 1997 | 6十万 |
| 1996 | - |
| 1995 | - |
| 1994 | - |
| 1993 | - |
| 1992 | 5.46十万 |
| 1991 | 5.1十万 |
| 1990 | 4.99十万 |
| 1989 | 4.85十万 |
| 1988 | - |
| 1987 | - |
| 1986 | 4.24十万 |
| 1985 | - |
| 1984 | - |
| 1983 | - |
| 1982 | - |
| 1981 | - |
| 1980 | - |
| 1979 | - |
| 1978 | - |
| 1977 | - |
| 1976 | - |
| 1975 | - |
| 1974 | 3.78十万 |
| 1973 | 3.72十万 |
| 1972 | - |
| 1971 | - |
| 1970 | - |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |