| 年份 | 刚果(布) |
|---|---|
| 2023 | - |
| 2022 | 2.59576 |
| 2021 | 2.55118 |
| 2020 | 2.50382 |
| 2019 | 2.45388 |
| 2018 | 2.40314 |
| 2017 | 2.3519 |
| 2016 | 2.29633 |
| 2015 | 2.23356 |
| 2014 | 2.16597 |
| 2013 | 2.09517 |
| 2012 | 2.02533 |
| 2011 | 1.96569 |
| 2010 | 1.9184 |
| 2009 | 1.88383 |
| 2008 | 1.86339 |
| 2007 | 1.84944 |
| 2006 | 1.83272 |
| 2005 | 1.81411 |
| 2004 | 1.79596 |
| 2003 | 1.77897 |
| 2002 | 1.77099 |
| 2001 | 1.77932 |
| 2000 | 1.80354 |
| 1999 | 1.84181 |
| 1998 | 1.89182 |
| 1997 | 1.94813 |
| 1996 | 1.99211 |
| 1995 | 2.01804 |
| 1994 | 2.03342 |
| 1993 | 2.04016 |
| 1992 | 2.04037 |
| 1991 | 2.04625 |
| 1990 | 2.06871 |
| 1989 | 2.10305 |
| 1988 | 2.14474 |
| 1987 | 2.18702 |
| 1986 | 2.21426 |
| 1985 | 2.21886 |
| 1984 | 2.20519 |
| 1983 | 2.18276 |
| 1982 | 2.17358 |
| 1981 | 2.19303 |
| 1980 | 2.23294 |
| 1979 | 2.27905 |
| 1978 | 2.31472 |
| 1977 | 2.32789 |
| 1976 | 2.32256 |
| 1975 | 2.31174 |
| 1974 | 2.31998 |
| 1973 | 2.34788 |
| 1972 | 2.37642 |
| 1971 | 2.4049 |
| 1970 | 2.43324 |
| 1969 | 2.46162 |
| 1968 | 2.48975 |
| 1967 | 2.51739 |
| 1966 | 2.54489 |
| 1965 | 2.57268 |
| 1964 | 2.59998 |
| 1963 | 2.62592 |
| 1962 | 2.65123 |
| 1961 | 2.67862 |
| 1960 | 2.70912 |