| 年份 | 刚果(布) |
|---|---|
| 2023 | - |
| 2022 | 4.38113 |
| 2021 | 4.32189 |
| 2020 | 4.25892 |
| 2019 | 4.20621 |
| 2018 | 4.16447 |
| 2017 | 4.12011 |
| 2016 | 4.08098 |
| 2015 | 4.05 |
| 2014 | 4.01123 |
| 2013 | 3.96693 |
| 2012 | 3.92521 |
| 2011 | 3.88 |
| 2010 | 3.82831 |
| 2009 | 3.77059 |
| 2008 | 3.71138 |
| 2007 | 3.6504 |
| 2006 | 3.57638 |
| 2005 | 3.48674 |
| 2004 | 3.38601 |
| 2003 | 3.27712 |
| 2002 | 3.17131 |
| 2001 | 3.08236 |
| 2000 | 2.99638 |
| 1999 | 2.93077 |
| 1998 | 2.90553 |
| 1997 | 2.9013 |
| 1996 | 2.89351 |
| 1995 | 2.87369 |
| 1994 | 2.85503 |
| 1993 | 2.83761 |
| 1992 | 2.83668 |
| 1991 | 2.86567 |
| 1990 | 2.92078 |
| 1989 | 2.99563 |
| 1988 | 3.08593 |
| 1987 | 3.18145 |
| 1986 | 3.25817 |
| 1985 | 3.3071 |
| 1984 | 3.33687 |
| 1983 | 3.33857 |
| 1982 | 3.32078 |
| 1981 | 3.31618 |
| 1980 | 3.33172 |
| 1979 | 3.35513 |
| 1978 | 3.37762 |
| 1977 | 3.39518 |
| 1976 | 3.40457 |
| 1975 | 3.41306 |
| 1974 | 3.43765 |
| 1973 | 3.47648 |
| 1972 | 3.51597 |
| 1971 | 3.5554 |
| 1970 | 3.59397 |
| 1969 | 3.6318 |
| 1968 | 3.66939 |
| 1967 | 3.70641 |
| 1966 | 3.74269 |
| 1965 | 3.77823 |
| 1964 | 3.81271 |
| 1963 | 3.84659 |
| 1962 | 3.87969 |
| 1961 | 3.91214 |
| 1960 | 3.94484 |