| 年份 | 刚果(布) |
|---|---|
| 2023 | - |
| 2022 | 0.84196 |
| 2021 | 0.895271 |
| 2020 | 0.924594 |
| 2019 | 0.964271 |
| 2018 | 1.02231 |
| 2017 | 1.03485 |
| 2016 | 1.05077 |
| 2015 | 1.06795 |
| 2014 | 1.08703 |
| 2013 | 1.12024 |
| 2012 | 1.50865 |
| 2011 | 1.99535 |
| 2010 | 2.92248 |
| 2009 | 2.80407 |
| 2008 | 2.11726 |
| 2007 | 2.5024 |
| 2006 | 2.58561 |
| 2005 | 2.43918 |
| 2004 | 2.2465 |
| 2003 | 1.62482 |
| 2002 | 1.20533 |
| 2001 | 2.63728 |
| 2000 | 2.69991 |
| 1999 | 1.56331 |
| 1998 | 1.03828 |
| 1997 | 0.965984 |
| 1996 | 1.70694 |
| 1995 | 1.74918 |
| 1994 | 1.91119 |
| 1993 | 1.92604 |
| 1992 | 1.81583 |
| 1991 | 1.85823 |
| 1990 | 1.9037 |
| 1989 | 1.97308 |
| 1988 | 2.01143 |
| 1987 | 2.06286 |
| 1986 | 2.09119 |
| 1985 | 1.61897 |
| 1984 | 0.628179 |
| 1983 | 0.223586 |
| 1982 | 0.348635 |
| 1981 | 0.443852 |
| 1980 | 0.510512 |
| 1979 | 0.597691 |
| 1978 | 0.688241 |
| 1977 | 0.767309 |
| 1976 | 0.838519 |
| 1975 | 1.20055 |
| 1974 | 1.64644 |
| 1973 | 1.74507 |
| 1972 | 1.75087 |
| 1971 | 1.73714 |
| 1970 | 1.72046 |
| 1969 | 1.71138 |
| 1968 | 1.68498 |
| 1967 | 1.66929 |
| 1966 | 1.65565 |
| 1965 | 1.63292 |
| 1964 | 1.60397 |
| 1963 | 1.57949 |
| 1962 | 1.55409 |
| 1961 | 1.53984 |
| 1960 | - |