| 年份 | 比利时 |
|---|---|
| 2023 | - |
| 2022 | 5.27145 |
| 2021 | 5.34183 |
| 2020 | 5.42122 |
| 2019 | 5.51674 |
| 2018 | 5.6159 |
| 2017 | 5.71025 |
| 2016 | 5.80241 |
| 2015 | 5.89746 |
| 2014 | 5.98325 |
| 2013 | 6.0506 |
| 2012 | 6.09348 |
| 2011 | 6.10381 |
| 2010 | 6.08235 |
| 2009 | 6.03418 |
| 2008 | 5.96229 |
| 2007 | 5.88183 |
| 2006 | 5.82699 |
| 2005 | 5.8022 |
| 2004 | 5.79359 |
| 2003 | 5.80057 |
| 2002 | 5.83315 |
| 2001 | 5.86796 |
| 2000 | 5.88512 |
| 1999 | 5.90966 |
| 1998 | 5.96996 |
| 1997 | 6.06391 |
| 1996 | 6.17768 |
| 1995 | 6.29057 |
| 1994 | 6.37689 |
| 1993 | 6.41778 |
| 1992 | 6.40362 |
| 1991 | 6.35124 |
| 1990 | 6.28424 |
| 1989 | 6.22871 |
| 1988 | 6.20417 |
| 1987 | 6.217 |
| 1986 | 6.26595 |
| 1985 | 6.3395 |
| 1984 | 6.41965 |
| 1983 | 6.47559 |
| 1982 | 6.49494 |
| 1981 | 6.48186 |
| 1980 | 6.45101 |
| 1979 | 6.4406 |
| 1978 | 6.49198 |
| 1977 | 6.61984 |
| 1976 | 6.81368 |
| 1975 | 7.04284 |
| 1974 | 7.25753 |
| 1973 | 7.41983 |
| 1972 | 7.54509 |
| 1971 | 7.66314 |
| 1970 | 7.80745 |
| 1969 | 8.01148 |
| 1968 | 8.24273 |
| 1967 | 8.43073 |
| 1966 | 8.57333 |
| 1965 | 8.66033 |
| 1964 | 8.69038 |
| 1963 | 8.69963 |
| 1962 | 8.69912 |
| 1961 | 8.66596 |
| 1960 | 8.60763 |