| | | 1969 8 | 1988 9 | | | | 1984 9 1988 7 | | 1988 7 1988 9 | 1988 9 1995 11 | | 1995 11 1999 10 | | 1999 10 2000 10 | | 2000 10 2006 8 | | | 2006 8 2010 7 | | | 2010 7 2013 1 | | | 2013 1 2014 1 | | | | 2014 1 2015 8 | | | | 2015 8 2018 8 | | 2018 8 | | |