| 年份 | 刚果(布) |
|---|---|
| 2023 | - |
| 2022 | 5.25973 |
| 2021 | 5.28269 |
| 2020 | 5.29277 |
| 2019 | 5.29185 |
| 2018 | 5.26687 |
| 2017 | 5.22001 |
| 2016 | 5.16461 |
| 2015 | 5.11053 |
| 2014 | 5.07734 |
| 2013 | 5.06737 |
| 2012 | 5.05897 |
| 2011 | 5.05014 |
| 2010 | 5.04123 |
| 2009 | 5.00588 |
| 2008 | 4.94991 |
| 2007 | 4.8907 |
| 2006 | 4.81298 |
| 2005 | 4.71627 |
| 2004 | 4.61527 |
| 2003 | 4.52267 |
| 2002 | 4.44651 |
| 2001 | 4.37956 |
| 2000 | 4.29358 |
| 1999 | 4.20638 |
| 1998 | 4.1273 |
| 1997 | 4.04363 |
| 1996 | 3.96343 |
| 1995 | 3.88205 |
| 1994 | 3.81445 |
| 1993 | 3.77198 |
| 1992 | 3.74908 |
| 1991 | 3.72924 |
| 1990 | 3.70477 |
| 1989 | 3.67191 |
| 1988 | 3.62961 |
| 1987 | 3.59814 |
| 1986 | 3.59397 |
| 1985 | 3.62454 |
| 1984 | 3.69673 |
| 1983 | 3.81739 |
| 1982 | 3.95659 |
| 1981 | 4.06514 |
| 1980 | 4.13399 |
| 1979 | 4.1732 |
| 1978 | 4.1954 |
| 1977 | 4.21454 |
| 1976 | 4.23672 |
| 1975 | 4.25804 |
| 1974 | 4.28642 |
| 1973 | 4.32393 |
| 1972 | 4.36113 |
| 1971 | 4.39893 |
| 1970 | 4.43668 |
| 1969 | 4.4739 |
| 1968 | 4.51053 |
| 1967 | 4.54641 |
| 1966 | 4.58103 |
| 1965 | 4.61451 |
| 1964 | 4.6464 |
| 1963 | 4.67607 |
| 1962 | 4.70389 |
| 1961 | 4.7303 |
| 1960 | 4.75548 |