年份 | 尼日尔 |
---|---|
2023 | - |
2022 | - |
2021 | 33.7 |
2020 | 33.9 |
2019 | 33.9 |
2018 | 33.9 |
2017 | 33.9 |
2016 | 33.8 |
2015 | 33.8 |
2014 | 33.7 |
2013 | 33.7 |
2012 | 33.7 |
2011 | 33.9 |
2010 | 34.2 |
2009 | 34.6 |
2008 | 35.2 |
2007 | 36 |
2006 | 36.8 |
2005 | 37.7 |
2004 | 38.8 |
2003 | 40 |
2002 | 41.3 |
2001 | 42.7 |
2000 | 44.1 |
1999 | 45.5 |
1998 | 46.7 |
1997 | 47.8 |
1996 | 48.8 |
1995 | 49.8 |
1994 | 50.9 |
1993 | 52.1 |
1992 | 53.3 |
1991 | 54.2 |
1990 | 55.1 |
1989 | 55.9 |
1988 | 56.6 |
1987 | 57.1 |
1986 | 57.4 |
1985 | 57.5 |
1984 | 57.3 |
1983 | 57.1 |
1982 | 56.9 |
1981 | 56.8 |
1980 | 57.1 |
1979 | 57.7 |
1978 | 58.6 |
1977 | 59.6 |
1976 | 60.6 |
1975 | 61.3 |
1974 | 61.7 |
1973 | 61.7 |
1972 | 61.5 |
1971 | 61 |
1970 | 60.4 |
1969 | 59.9 |
1968 | - |
1967 | - |
1966 | - |
1965 | - |
1964 | - |
1963 | - |
1962 | - |
1961 | - |
1960 | - |