| 年份 | 尼日利亚 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 86.3098 |
| 2020 | 86.8522 |
| 2019 | 83.1689 |
| 2018 | 83.2268 |
| 2017 | 73.7734 |
| 2016 | 79.0313 |
| 2015 | 80.5546 |
| 2014 | 86.3499 |
| 2013 | 89.7595 |
| 2012 | 87.8125 |
| 2011 | 84.5985 |
| 2010 | 78.6321 |
| 2009 | 78.5254 |
| 2008 | 77.1027 |
| 2007 | 85.2804 |
| 2006 | 92.1567 |
| 2005 | 90.8216 |
| 2004 | 89.9672 |
| 2003 | 88.7043 |
| 2002 | 87.3344 |
| 2001 | 86.3522 |
| 2000 | 88.2608 |
| 1999 | 84.429 |
| 1998 | - |
| 1997 | - |
| 1996 | 72.8135 |
| 1995 | 81.3686 |
| 1994 | 84.0657 |
| 1993 | 83.0774 |
| 1992 | 79.5507 |
| 1991 | 74.9312 |
| 1990 | 74.6062 |
| 1989 | 74.5926 |
| 1988 | 72.1574 |
| 1987 | 79.2136 |
| 1986 | 82.4096 |
| 1985 | 93.8605 |
| 1984 | 97.2367 |
| 1983 | 98.021 |
| 1982 | 99.0155 |
| 1981 | 91.4031 |
| 1980 | 84.2675 |
| 1979 | 79.1845 |
| 1978 | 67.5592 |
| 1977 | 52.1353 |
| 1976 | 40.1319 |
| 1975 | - |
| 1974 | - |
| 1973 | 41.1511 |
| 1972 | 38.8932 |
| 1971 | 34.7817 |
| 1970 | 31.0284 |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |