年份 | 尼日尔 |
---|---|
2023 | - |
2022 | 19.6639 |
2021 | 19.7237 |
2020 | 19.7633 |
2019 | 19.7867 |
2018 | 19.8119 |
2017 | 19.8386 |
2016 | 19.8813 |
2015 | 19.9618 |
2014 | 20.0596 |
2013 | 20.1504 |
2012 | 20.2438 |
2011 | 20.324 |
2010 | 20.3747 |
2009 | 20.4176 |
2008 | 20.4542 |
2007 | 20.4838 |
2006 | 20.5069 |
2005 | 20.5207 |
2004 | 20.5221 |
2003 | 20.5187 |
2002 | 20.5134 |
2001 | 20.5006 |
2000 | 20.4697 |
1999 | 20.4017 |
1998 | 20.3011 |
1997 | 20.1802 |
1996 | 20.0535 |
1995 | 19.9552 |
1994 | 19.8981 |
1993 | 19.8747 |
1992 | 19.8909 |
1991 | 19.9414 |
1990 | 20.022 |
1989 | 20.1514 |
1988 | 20.3114 |
1987 | 20.4719 |
1986 | 20.6433 |
1985 | 20.8003 |
1984 | 20.8995 |
1983 | 20.9524 |
1982 | 20.9521 |
1981 | 20.889 |
1980 | 20.7951 |
1979 | 20.7023 |
1978 | 20.6305 |
1977 | 20.5993 |
1976 | 20.6116 |
1975 | 20.6544 |
1974 | 20.7266 |
1973 | 20.8284 |
1972 | 20.9615 |
1971 | 21.1213 |
1970 | 21.2918 |
1969 | 21.4673 |
1968 | 21.6439 |
1967 | 21.8045 |
1966 | 21.9535 |
1965 | 22.1056 |
1964 | 22.2511 |
1963 | 22.3826 |
1962 | 22.5066 |
1961 | 22.6259 |
1960 | 22.742 |