| 年份 | 多哥 |
|---|---|
| 2023 | - |
| 2022 | 9.04001 |
| 2021 | 8.97815 |
| 2020 | 8.93288 |
| 2019 | 8.90919 |
| 2018 | 8.90913 |
| 2017 | 8.93449 |
| 2016 | 8.97597 |
| 2015 | 9.01926 |
| 2014 | 9.05955 |
| 2013 | 9.10193 |
| 2012 | 9.15019 |
| 2011 | 9.19784 |
| 2010 | 9.24443 |
| 2009 | 9.29168 |
| 2008 | 9.32114 |
| 2007 | 9.33666 |
| 2006 | 9.34247 |
| 2005 | 9.35305 |
| 2004 | 9.37879 |
| 2003 | 9.40349 |
| 2002 | 9.43351 |
| 2001 | 9.45629 |
| 2000 | 9.45588 |
| 1999 | 9.42603 |
| 1998 | 9.36712 |
| 1997 | 9.28607 |
| 1996 | 9.20495 |
| 1995 | 9.13452 |
| 1994 | 9.06858 |
| 1993 | 8.99934 |
| 1992 | 8.9348 |
| 1991 | 8.87968 |
| 1990 | 8.8305 |
| 1989 | 8.78323 |
| 1988 | 8.74323 |
| 1987 | 8.70746 |
| 1986 | 8.66566 |
| 1985 | 8.62242 |
| 1984 | 8.58523 |
| 1983 | 8.55282 |
| 1982 | 8.52998 |
| 1981 | 8.5232 |
| 1980 | 8.52772 |
| 1979 | 8.54216 |
| 1978 | 8.56871 |
| 1977 | 8.6025 |
| 1976 | 8.63902 |
| 1975 | 8.67695 |
| 1974 | 8.70151 |
| 1973 | 8.7241 |
| 1972 | 8.75081 |
| 1971 | 8.7621 |
| 1970 | 8.74873 |
| 1969 | 8.72206 |
| 1968 | 8.67372 |
| 1967 | 8.59617 |
| 1966 | 8.51593 |
| 1965 | 8.45022 |
| 1964 | 8.40427 |
| 1963 | 8.37143 |
| 1962 | 8.35481 |
| 1961 | 8.34942 |
| 1960 | 8.34904 |