| | | | | | | | | | | | | | | | | 1969 11 | | 1991 8 1994 9 | | | | | 1989 9 1991 7 | | 1991 8 2001 3 | | 2001 3 2004 5 | | | 2004 5 2006 5 | | 2006 5 2007 3 | | | 2007 3 2009 12 | | 2009 12 2013 1 | | | 2013 1 2017 11 | | | 2017 11 | |