| 年份 | 比利时 |
|---|---|
| 2023 | - |
| 2022 | 6.09926 |
| 2021 | 6.09961 |
| 2020 | 6.05419 |
| 2019 | 5.98395 |
| 2018 | 5.89727 |
| 2017 | 5.80569 |
| 2016 | 5.74201 |
| 2015 | 5.71125 |
| 2014 | 5.7023 |
| 2013 | 5.71413 |
| 2012 | 5.75339 |
| 2011 | 5.79679 |
| 2010 | 5.82416 |
| 2009 | 5.85701 |
| 2008 | 5.92111 |
| 2007 | 6.0158 |
| 2006 | 6.1308 |
| 2005 | 6.24722 |
| 2004 | 6.33849 |
| 2003 | 6.38373 |
| 2002 | 6.37014 |
| 2001 | 6.31476 |
| 2000 | 6.24268 |
| 1999 | 6.18001 |
| 1998 | 6.14622 |
| 1997 | 6.14891 |
| 1996 | 6.19032 |
| 1995 | 6.26062 |
| 1994 | 6.34041 |
| 1993 | 6.39807 |
| 1992 | 6.42181 |
| 1991 | 6.41333 |
| 1990 | 6.38525 |
| 1989 | 6.37606 |
| 1988 | 6.42952 |
| 1987 | 6.55789 |
| 1986 | 6.74832 |
| 1985 | 6.97527 |
| 1984 | 7.18849 |
| 1983 | 7.34909 |
| 1982 | 7.47301 |
| 1981 | 7.58929 |
| 1980 | 7.72677 |
| 1979 | 7.91829 |
| 1978 | 8.13502 |
| 1977 | 8.30596 |
| 1976 | 8.42293 |
| 1975 | 8.47894 |
| 1974 | 8.47877 |
| 1973 | 8.45952 |
| 1972 | 8.43753 |
| 1971 | 8.38897 |
| 1970 | 8.31904 |
| 1969 | 8.23829 |
| 1968 | 8.13927 |
| 1967 | 8.05416 |
| 1966 | 7.97861 |
| 1965 | 7.91932 |
| 1964 | 7.8914 |
| 1963 | 7.893 |
| 1962 | 7.91541 |
| 1961 | 7.98496 |
| 1960 | 7.95536 |