| | | 1967 6 | | 1988 7 1994 6 | | | | 1988 07 1989 11 | | | 1989 11 1991 04 | | 1991 04 1996 12 | | | 1996 12 2000 12 | | | 2000 12 2002 02 | | | 2002 02 2003 12 | | | 2003 12 2006 11 | | | 2006 11 2009 08 | | | 2009 08 2016 07 | | | 2016 07 |