| | | | | | | | | | | 1968 10 | | 1990 8 1994 | 10 | | | 1986 9 1990 7 | | 1990 8 1997 3 | | 1997 4 1998 12 | | 1998 8 2001 12 | | 1999 1 1999 12 | | | 2000 1 2007 12 | | 2007 12 2009 12 | | | 2010 1 2013 4 | | 2013 4 2016 7 | | | 2016 7 | | |