| | | | | | | | | 1967 9 | 1990 8 1995 12 | | | | 1990 7 1997 11 | | 1997 11 1999 2 | | 1999 2 2002 6 | | 2002 6 2004 8 | | 2004 8 2005 10 | | 2005 10 2007 8 | | 2007 8 2009 4 | | 2009 4 2012 11 | | | 2012 11 2016 5 | | 2016 5 20 | | 2016 6 19 2016 12 23 2019 4 | 18 | | |