| 年份 | 比利时 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 0.784346 |
| 2020 | 0.779838 |
| 2019 | 0.781793 |
| 2018 | 0.792602 |
| 2017 | 0.759577 |
| 2016 | 0.759577 |
| 2015 | 0.743065 |
| 2014 | 0.73646 |
| 2013 | 0.73646 |
| 2012 | 0.726552 |
| 2011 | 0.716645 |
| 2010 | 0.716645 |
| 2009 | 0.713342 |
| 2008 | 0.703435 |
| 2007 | 0.690225 |
| 2006 | 0.693527 |
| 2005 | 0.693527 |
| 2004 | 0.703435 |
| 2003 | 0.700132 |
| 2002 | 0.69683 |
| 2001 | 0.686922 |
| 2000 | 0.680317 |
| 1999 | 0.609385 |
| 1998 | 0.609385 |
| 1997 | 0.578915 |
| 1996 | 0.548446 |
| 1995 | 0.548446 |
| 1994 | 0.548446 |
| 1993 | 0.548446 |
| 1992 | 0.517977 |
| 1991 | 0.487508 |
| 1990 | 0.457038 |
| 1989 | 0.457038 |
| 1988 | 0.3961 |
| 1987 | 0.3961 |
| 1986 | 0.3961 |
| 1985 | 0.3961 |
| 1984 | 0.3961 |
| 1983 | 0.365631 |
| 1982 | 0.365631 |
| 1981 | 0.365631 |
| 1980 | 0.3961 |
| 1979 | 0.426569 |
| 1978 | 0.426569 |
| 1977 | 0.426569 |
| 1976 | 0.457038 |
| 1975 | 0.517977 |
| 1974 | 0.578915 |
| 1973 | 0.609385 |
| 1972 | 0.639854 |
| 1971 | 0.700792 |
| 1970 | 0.761731 |
| 1969 | 0.7922 |
| 1968 | 0.822669 |
| 1967 | 0.883608 |
| 1966 | 0.914077 |
| 1965 | 0.975015 |
| 1964 | 1.03595 |
| 1963 | 1.06642 |
| 1962 | 1.09689 |
| 1961 | 1.12736 |
| 1960 | - |