| 年份 | 比利时 |
|---|---|
| 2023 | - |
| 2022 | 5.02654 |
| 2021 | 5.03942 |
| 2020 | 5.00682 |
| 2019 | 4.8956 |
| 2018 | 4.7566 |
| 2017 | 4.54681 |
| 2016 | 4.26004 |
| 2015 | 4.05469 |
| 2014 | 4.0064 |
| 2013 | 4.02726 |
| 2012 | 4.11521 |
| 2011 | 4.26906 |
| 2010 | 4.40656 |
| 2009 | 4.47035 |
| 2008 | 4.49761 |
| 2007 | 4.5622 |
| 2006 | 4.68006 |
| 2005 | 4.8124 |
| 2004 | 4.91125 |
| 2003 | 4.96465 |
| 2002 | 4.9756 |
| 2001 | 4.9543 |
| 2000 | 4.93803 |
| 1999 | 4.94649 |
| 1998 | 4.98334 |
| 1997 | 5.02161 |
| 1996 | 5.05495 |
| 1995 | 5.07745 |
| 1994 | 4.97458 |
| 1993 | 4.64571 |
| 1992 | 4.21124 |
| 1991 | 3.79405 |
| 1990 | 3.45117 |
| 1989 | 3.36815 |
| 1988 | 3.60837 |
| 1987 | 3.98231 |
| 1986 | 4.31842 |
| 1985 | 4.54784 |
| 1984 | 4.63333 |
| 1983 | 4.63948 |
| 1982 | 4.64662 |
| 1981 | 4.66506 |
| 1980 | 4.68449 |
| 1979 | 4.69585 |
| 1978 | 4.6951 |
| 1977 | 4.67987 |
| 1976 | 4.67971 |
| 1975 | 4.67431 |
| 1974 | 4.63936 |
| 1973 | 4.58303 |
| 1972 | 4.51996 |
| 1971 | 4.45322 |
| 1970 | 4.38201 |
| 1969 | 4.30773 |
| 1968 | 4.24931 |
| 1967 | 4.18521 |
| 1966 | 4.09357 |
| 1965 | 4.0084 |
| 1964 | 3.94209 |
| 1963 | 3.87572 |
| 1962 | 3.8186 |
| 1961 | 3.77432 |
| 1960 | 3.7445 |