| | | | | 1958 8 | 1985 5 | 1976 4 | | | | 1976 4 1977 9 | | 1977 9 1979 7 | | 1979 7 1980 12 | | 1980 12 1984 9 | | 1984 9 1986 7 | | 1986 7 1990 11 | | 1990 11 1995 6 | | 1995 6 2001 9 | | 2001 9 2003 12 | | 2003 12 2007 10 | | 2007 10 2012 11 | | 2012 11 | | | | | | |