| | | | | | 1959 8 23 | | 1987 1977 1 | | 1977 1 1983 4 | | 1983 4 1993 10 | | | 1993 10 1999 12 | | | 1999 12 2000 11 | | 2000 11 2005 4 | | 2005 4 2006 1 | | | 2006 1 2008 2 | | 2008 2 2010 11 | | 2010 11 2018 3 | | 2018 3 | |