| | | | | | | | | | | 1961 7 | | 1983 8 | 1989 6 | | | | | 1983 8 1985 6 | | 1985 6 1989 4 | | | 1989 4 1992 10 | | | 1992 10 1998 2 | | 1998 2 2003 3 | | | 2003 3 2005 8 | | 2005 8 2008 3 | | 2008 3 2012 11 | | 2012 11 | | |