| 年份 | 刚果(布) |
|---|---|
| 2023 | - |
| 2022 | 0.677359 |
| 2021 | 0.671297 |
| 2020 | 0.666221 |
| 2019 | 0.658685 |
| 2018 | 0.649086 |
| 2017 | 0.642064 |
| 2016 | 0.640669 |
| 2015 | 0.644985 |
| 2014 | 0.653989 |
| 2013 | 0.666567 |
| 2012 | 0.680165 |
| 2011 | 0.690881 |
| 2010 | 0.697568 |
| 2009 | 0.701683 |
| 2008 | 0.701985 |
| 2007 | 0.698184 |
| 2006 | 0.696128 |
| 2005 | 0.70011 |
| 2004 | 0.708429 |
| 2003 | 0.719242 |
| 2002 | 0.729568 |
| 2001 | 0.735141 |
| 2000 | 0.736438 |
| 1999 | 0.732499 |
| 1998 | 0.72602 |
| 1997 | 0.724965 |
| 1996 | 0.733703 |
| 1995 | 0.755342 |
| 1994 | 0.791 |
| 1993 | 0.833794 |
| 1992 | 0.870001 |
| 1991 | 0.891876 |
| 1990 | 0.898846 |
| 1989 | 0.891486 |
| 1988 | 0.873711 |
| 1987 | 0.856085 |
| 1986 | 0.849574 |
| 1985 | 0.853853 |
| 1984 | 0.865021 |
| 1983 | 0.872374 |
| 1982 | 0.866931 |
| 1981 | 0.85618 |
| 1980 | 0.849632 |
| 1979 | 0.850276 |
| 1978 | 0.85704 |
| 1977 | 0.868867 |
| 1976 | 0.884641 |
| 1975 | 0.900664 |
| 1974 | 0.915219 |
| 1973 | 0.931098 |
| 1972 | 0.947788 |
| 1971 | 0.960479 |
| 1970 | 0.966209 |
| 1969 | 0.964625 |
| 1968 | 0.954001 |
| 1967 | 0.935788 |
| 1966 | 0.917623 |
| 1965 | 0.904879 |
| 1964 | 0.897449 |
| 1963 | 0.896864 |
| 1962 | 0.903022 |
| 1961 | 0.910159 |
| 1960 | 0.914906 |