年份 | 比利时 |
---|---|
2023 | - |
2022 | - |
2021 | 3.4 |
2020 | 3.4 |
2019 | 3.4 |
2018 | 3.4 |
2017 | 3.4 |
2016 | 3.3 |
2015 | 3.4 |
2014 | 3.4 |
2013 | 3.4 |
2012 | 3.5 |
2011 | 3.6 |
2010 | 3.7 |
2009 | 3.8 |
2008 | 3.8 |
2007 | 3.9 |
2006 | 4 |
2005 | 4.2 |
2004 | 4.3 |
2003 | 4.4 |
2002 | 4.5 |
2001 | 4.7 |
2000 | 4.8 |
1999 | 5 |
1998 | 5.2 |
1997 | 5.5 |
1996 | 5.9 |
1995 | 6.3 |
1994 | 6.8 |
1993 | 7.3 |
1992 | 7.7 |
1991 | 8.1 |
1990 | 8.4 |
1989 | 8.6 |
1988 | 8.9 |
1987 | 9.2 |
1986 | 9.5 |
1985 | 9.8 |
1984 | 10.2 |
1983 | 10.6 |
1982 | 11.2 |
1981 | 11.7 |
1980 | 12.3 |
1979 | 12.8 |
1978 | 13.4 |
1977 | 14.1 |
1976 | 14.9 |
1975 | 15.7 |
1974 | 16.7 |
1973 | 17.7 |
1972 | 18.7 |
1971 | 19.7 |
1970 | 20.6 |
1969 | 21.3 |
1968 | 21.9 |
1967 | 22.5 |
1966 | 23.2 |
1965 | 24 |
1964 | 25 |
1963 | 26 |
1962 | 27 |
1961 | 28.1 |
1960 | 29.4 |