| 年份 | 比利时 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 0.000136779 |
| 2020 | 3.1335E-5 |
| 2019 | 3.98585E-5 |
| 2018 | - |
| 2017 | - |
| 2016 | - |
| 2015 | - |
| 2014 | - |
| 2013 | - |
| 2012 | - |
| 2011 | - |
| 2010 | - |
| 2009 | - |
| 2008 | - |
| 2007 | - |
| 2006 | - |
| 2005 | - |
| 2004 | - |
| 2003 | - |
| 2002 | - |
| 2001 | - |
| 2000 | 2.36894E-5 |
| 1999 | 5.65681E-7 |
| 1998 | - |
| 1997 | 1.60111E-6 |
| 1996 | 1.78551E-5 |
| 1995 | 2.24846E-6 |
| 1994 | 6.13932E-6 |
| 1993 | 2.85267E-5 |
| 1992 | 1.51645E-5 |
| 1991 | 5.51758E-5 |
| 1990 | 9.36775E-5 |
| 1989 | 8.64273E-5 |
| 1988 | 0.000104116 |
| 1987 | 0.000213347 |
| 1986 | 0.000477336 |
| 1985 | 0.00100177 |
| 1984 | 0.00105433 |
| 1983 | 0.000492343 |
| 1982 | 0.000451757 |
| 1981 | 0.000897632 |
| 1980 | 0.00135853 |
| 1979 | 0.000936139 |
| 1978 | 0.00066345 |
| 1977 | 0.000731444 |
| 1976 | 0.000738215 |
| 1975 | 0.00115121 |
| 1974 | 0.0011063 |
| 1973 | 0.000368419 |
| 1972 | 0.000551825 |
| 1971 | 0.000476577 |
| 1970 | 0.000451577 |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |