| 年份 | 比利时 |
|---|---|
| 2023 | - |
| 2022 | 4.23071 |
| 2021 | 4.23041 |
| 2020 | 4.27518 |
| 2019 | 4.27075 |
| 2018 | 4.19424 |
| 2017 | 4.1187 |
| 2016 | 4.05045 |
| 2015 | 3.98722 |
| 2014 | 3.91143 |
| 2013 | 3.82597 |
| 2012 | 3.7367 |
| 2011 | 3.61914 |
| 2010 | 3.48628 |
| 2009 | 3.36762 |
| 2008 | 3.26138 |
| 2007 | 3.14986 |
| 2006 | 3.03084 |
| 2005 | 2.90405 |
| 2004 | 2.76717 |
| 2003 | 2.63174 |
| 2002 | 2.50034 |
| 2001 | 2.35957 |
| 2000 | 2.20806 |
| 1999 | 2.11133 |
| 1998 | 2.12815 |
| 1997 | 2.21201 |
| 1996 | 2.29995 |
| 1995 | 2.3477 |
| 1994 | 2.32436 |
| 1993 | 2.27398 |
| 1992 | 2.22823 |
| 1991 | 2.18528 |
| 1990 | 2.14822 |
| 1989 | 2.11332 |
| 1988 | 2.07414 |
| 1987 | 2.02258 |
| 1986 | 1.98344 |
| 1985 | 1.9549 |
| 1984 | 1.91543 |
| 1983 | 1.87962 |
| 1982 | 1.8424 |
| 1981 | 1.79304 |
| 1980 | 1.74837 |
| 1979 | 1.70932 |
| 1978 | 1.67476 |
| 1977 | 1.63612 |
| 1976 | 1.60161 |
| 1975 | 1.58938 |
| 1974 | 1.58242 |
| 1973 | 1.57851 |
| 1972 | 1.57867 |
| 1971 | 1.5775 |
| 1970 | 1.58118 |
| 1969 | 1.58673 |
| 1968 | 1.6004 |
| 1967 | 1.6071 |
| 1966 | 1.60426 |
| 1965 | 1.60207 |
| 1964 | 1.58788 |
| 1963 | 1.58196 |
| 1962 | 1.57714 |
| 1961 | 1.55 |
| 1960 | 1.52895 |