| 年份 | 刚果(布) |
|---|---|
| 2023 | - |
| 2022 | 2.76738 |
| 2021 | 2.70659 |
| 2020 | 2.638 |
| 2019 | 2.56669 |
| 2018 | 2.50024 |
| 2017 | 2.44123 |
| 2016 | 2.38622 |
| 2015 | 2.33343 |
| 2014 | 2.28226 |
| 2013 | 2.22747 |
| 2012 | 2.1686 |
| 2011 | 2.11442 |
| 2010 | 2.06734 |
| 2009 | 2.03276 |
| 2008 | 2.01078 |
| 2007 | 1.99426 |
| 2006 | 1.98054 |
| 2005 | 1.96654 |
| 2004 | 1.94885 |
| 2003 | 1.92638 |
| 2002 | 1.90704 |
| 2001 | 1.90078 |
| 2000 | 1.91961 |
| 1999 | 1.9629 |
| 1998 | 2.02684 |
| 1997 | 2.10527 |
| 1996 | 2.17787 |
| 1995 | 2.23795 |
| 1994 | 2.28308 |
| 1993 | 2.31629 |
| 1992 | 2.34683 |
| 1991 | 2.38705 |
| 1990 | 2.44679 |
| 1989 | 2.52408 |
| 1988 | 2.61162 |
| 1987 | 2.68817 |
| 1986 | 2.72837 |
| 1985 | 2.73029 |
| 1984 | 2.70426 |
| 1983 | 2.65415 |
| 1982 | 2.61435 |
| 1981 | 2.6153 |
| 1980 | 2.64092 |
| 1979 | 2.67153 |
| 1978 | 2.68742 |
| 1977 | 2.67511 |
| 1976 | 2.64466 |
| 1975 | 2.61871 |
| 1974 | 2.62022 |
| 1973 | 2.64232 |
| 1972 | 2.66458 |
| 1971 | 2.6864 |
| 1970 | 2.70713 |
| 1969 | 2.72671 |
| 1968 | 2.74558 |
| 1967 | 2.76367 |
| 1966 | 2.78086 |
| 1965 | 2.79745 |
| 1964 | 2.81328 |
| 1963 | 2.8275 |
| 1962 | 2.84051 |
| 1961 | 2.85308 |
| 1960 | 2.86517 |