| 年份 | 刚果(布) |
|---|---|
| 2023 | - |
| 2022 | 1.96348 |
| 2021 | 1.91737 |
| 2020 | 1.87328 |
| 2019 | 1.82737 |
| 2018 | 1.77754 |
| 2017 | 1.72422 |
| 2016 | 1.6722 |
| 2015 | 1.6247 |
| 2014 | 1.58424 |
| 2013 | 1.55507 |
| 2012 | 1.53454 |
| 2011 | 1.51812 |
| 2010 | 1.5045 |
| 2009 | 1.49399 |
| 2008 | 1.47974 |
| 2007 | 1.46564 |
| 2006 | 1.46411 |
| 2005 | 1.4772 |
| 2004 | 1.50715 |
| 2003 | 1.55464 |
| 2002 | 1.61027 |
| 2001 | 1.6605 |
| 2000 | 1.71071 |
| 1999 | 1.75131 |
| 1998 | 1.77484 |
| 1997 | 1.79451 |
| 1996 | 1.82199 |
| 1995 | 1.86952 |
| 1994 | 1.93341 |
| 1993 | 2.00862 |
| 1992 | 2.07698 |
| 1991 | 2.11614 |
| 1990 | 2.12419 |
| 1989 | 2.10904 |
| 1988 | 2.08533 |
| 1987 | 2.0772 |
| 1986 | 2.10379 |
| 1985 | 2.16623 |
| 1984 | 2.25756 |
| 1983 | 2.32492 |
| 1982 | 2.32346 |
| 1981 | 2.27395 |
| 1980 | 2.20567 |
| 1979 | 2.1415 |
| 1978 | 2.0946 |
| 1977 | 2.07539 |
| 1976 | 2.08286 |
| 1975 | 2.10252 |
| 1974 | 2.12122 |
| 1973 | 2.1373 |
| 1972 | 2.15383 |
| 1971 | 2.17002 |
| 1970 | 2.18559 |
| 1969 | 2.20063 |
| 1968 | 2.21482 |
| 1967 | 2.22837 |
| 1966 | 2.24113 |
| 1965 | 2.2531 |
| 1964 | 2.2645 |
| 1963 | 2.27585 |
| 1962 | 2.28625 |
| 1961 | 2.294 |
| 1960 | 2.29837 |