年份 | 尼日利亚 |
---|---|
2023 | - |
2022 | - |
2021 | 75.3692 |
2020 | 75.2034 |
2019 | 75.0376 |
2018 | 74.8729 |
2017 | 74.7049 |
2016 | 74.5424 |
2015 | 74.3733 |
2014 | 74.2152 |
2013 | 74.0494 |
2012 | 73.8858 |
2011 | 73.7211 |
2010 | 73.5575 |
2009 | 73.3917 |
2008 | 73.2303 |
2007 | 73.0657 |
2006 | 72.902 |
2005 | 72.7472 |
2004 | 72.5792 |
2003 | 72.4189 |
2002 | 72.2553 |
2001 | 72.1005 |
2000 | 71.9259 |
1999 | 71.7635 |
1998 | 71.5999 |
1997 | 70.7094 |
1996 | 70.5337 |
1995 | 70.3569 |
1994 | 67.9842 |
1993 | 66.9291 |
1992 | 66.5327 |
1991 | 65.258 |
1990 | 64.4663 |
1989 | 63.7933 |
1988 | 63.6429 |
1987 | 63.4331 |
1986 | 63.342 |
1985 | 63.1136 |
1984 | 62.7744 |
1983 | 62.4373 |
1982 | 62.3187 |
1981 | 62.199 |
1980 | 62.0804 |
1979 | 61.851 |
1978 | 61.5128 |
1977 | 61.3942 |
1976 | 61.526 |
1975 | 61.3646 |
1974 | 61.2032 |
1973 | 61.0407 |
1972 | 60.8793 |
1971 | 60.7179 |
1970 | 60.5554 |
1969 | 60.3391 |
1968 | 60.0679 |
1967 | 59.9054 |
1966 | 60.1831 |
1965 | 60.1304 |
1964 | 59.969 |
1963 | 59.8076 |
1962 | 59.6451 |
1961 | 59.4837 |
1960 | - |