| 年份 | 刚果(布) |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 7.063 |
| 2020 | 6.923 |
| 2019 | 7.388 |
| 2018 | 6.797 |
| 2017 | 6.924 |
| 2016 | 7.02 |
| 2015 | 7.196 |
| 2014 | 7.358 |
| 2013 | 7.532 |
| 2012 | 7.753 |
| 2011 | 7.942 |
| 2010 | 8.123 |
| 2009 | 8.377 |
| 2008 | 8.689 |
| 2007 | 9.059 |
| 2006 | 9.439 |
| 2005 | 9.831 |
| 2004 | 10.416 |
| 2003 | 10.973 |
| 2002 | 11.463 |
| 2001 | 11.84 |
| 2000 | 12.204 |
| 1999 | 12.746 |
| 1998 | 13.847 |
| 1997 | 16.201 |
| 1996 | 12.387 |
| 1995 | 12.287 |
| 1994 | 12.225 |
| 1993 | 12.006 |
| 1992 | 11.741 |
| 1991 | 11.459 |
| 1990 | 11.146 |
| 1989 | 10.895 |
| 1988 | 10.698 |
| 1987 | 10.545 |
| 1986 | 10.531 |
| 1985 | 10.59 |
| 1984 | 10.643 |
| 1983 | 10.854 |
| 1982 | 11.056 |
| 1981 | 11.245 |
| 1980 | 11.456 |
| 1979 | 11.697 |
| 1978 | 11.923 |
| 1977 | 12.151 |
| 1976 | 12.341 |
| 1975 | 12.556 |
| 1974 | 12.769 |
| 1973 | 13.031 |
| 1972 | 13.283 |
| 1971 | 13.502 |
| 1970 | 13.77 |
| 1969 | 14.061 |
| 1968 | 14.376 |
| 1967 | 14.776 |
| 1966 | 15.004 |
| 1965 | 15.377 |
| 1964 | 15.714 |
| 1963 | 16.103 |
| 1962 | 16.528 |
| 1961 | 17.09 |
| 1960 | 17.613 |