| 年份 | 比利时 |
|---|---|
| 2023 | - |
| 2022 | 5.4288 |
| 2021 | 5.36454 |
| 2020 | 5.32323 |
| 2019 | 5.30413 |
| 2018 | 5.30672 |
| 2017 | 5.33485 |
| 2016 | 5.36832 |
| 2015 | 5.38409 |
| 2014 | 5.40125 |
| 2013 | 5.4494 |
| 2012 | 5.52799 |
| 2011 | 5.62279 |
| 2010 | 5.72151 |
| 2009 | 5.80538 |
| 2008 | 5.85054 |
| 2007 | 5.84113 |
| 2006 | 5.7925 |
| 2005 | 5.72735 |
| 2004 | 5.67093 |
| 2003 | 5.63596 |
| 2002 | 5.62922 |
| 2001 | 5.66116 |
| 2000 | 5.72317 |
| 1999 | 5.78704 |
| 1998 | 5.83091 |
| 1997 | 5.85189 |
| 1996 | 5.84165 |
| 1995 | 5.80772 |
| 1994 | 5.79356 |
| 1993 | 5.83534 |
| 1992 | 5.94245 |
| 1991 | 6.11576 |
| 1990 | 6.32917 |
| 1989 | 6.53134 |
| 1988 | 6.68735 |
| 1987 | 6.80565 |
| 1986 | 6.90993 |
| 1985 | 7.03323 |
| 1984 | 7.20722 |
| 1983 | 7.40624 |
| 1982 | 7.56846 |
| 1981 | 7.68902 |
| 1980 | 7.75953 |
| 1979 | 7.77579 |
| 1978 | 7.76459 |
| 1977 | 7.74309 |
| 1976 | 7.69503 |
| 1975 | 7.62831 |
| 1974 | 7.55109 |
| 1973 | 7.45515 |
| 1972 | 7.369 |
| 1971 | 7.28618 |
| 1970 | 7.21114 |
| 1969 | 7.1561 |
| 1968 | 7.13699 |
| 1967 | 7.15234 |
| 1966 | 7.19983 |
| 1965 | 7.16705 |
| 1964 | 7.02485 |
| 1963 | 6.83535 |
| 1962 | 6.53089 |
| 1961 | 6.11104 |
| 1960 | 5.80406 |