| 1972 9 | 1990 7 | | | | | 1987 09 1990 07 | | 1990 07 1996 02 | | 1996 02 1997 07 | | | 1997 07 2002 01 | | 2002 02 2004 03 | | 2004 03 2005 11 | | | 2005 11 2007 01 | | | 2007 01 2010 06 | | | 2010 06 2011 01 | | | | | 2011 01 2011 03 | | | | 2011 03 2012 10 | | | 2012 10 2016 06 | | 2016 06 | |