| 年份 | 刚果(布) |
|---|---|
| 2023 | - |
| 2022 | 2.28056 |
| 2021 | 2.31649 |
| 2020 | 2.33209 |
| 2019 | 2.35524 |
| 2018 | 2.39418 |
| 2017 | 2.39109 |
| 2016 | 2.38887 |
| 2015 | 2.38841 |
| 2014 | 2.39029 |
| 2013 | 2.40668 |
| 2012 | 2.77601 |
| 2011 | 3.24414 |
| 2010 | 4.1559 |
| 2009 | 4.01711 |
| 2008 | 3.31311 |
| 2007 | 3.68156 |
| 2006 | 3.75361 |
| 2005 | 3.59877 |
| 2004 | 3.39771 |
| 2003 | 2.76802 |
| 2002 | 2.34039 |
| 2001 | 3.75963 |
| 2000 | 3.81698 |
| 1999 | 2.67048 |
| 1998 | 2.13796 |
| 1997 | 2.05368 |
| 1996 | 2.67284 |
| 1995 | 2.7014 |
| 1994 | 2.85204 |
| 1993 | 2.86269 |
| 1992 | 2.74597 |
| 1991 | 2.77978 |
| 1990 | 2.81691 |
| 1989 | 2.88006 |
| 1988 | 2.9125 |
| 1987 | 2.95794 |
| 1986 | 2.97618 |
| 1985 | 2.99292 |
| 1984 | 2.52381 |
| 1983 | 2.08198 |
| 1982 | 2.17312 |
| 1981 | 2.23178 |
| 1980 | 2.26897 |
| 1979 | 2.32011 |
| 1978 | 2.3761 |
| 1977 | 2.41814 |
| 1976 | 2.46083 |
| 1975 | 2.78658 |
| 1974 | 3.09829 |
| 1973 | 3.10198 |
| 1972 | 3.08457 |
| 1971 | 3.04343 |
| 1970 | 3.0002 |
| 1969 | 2.96216 |
| 1968 | 2.91552 |
| 1967 | 2.87241 |
| 1966 | 2.83372 |
| 1965 | 2.78334 |
| 1964 | 2.73395 |
| 1963 | 2.68333 |
| 1962 | 2.63402 |
| 1961 | 2.59354 |
| 1960 | - |