| | 1974 2 | 1994 7 | 2001 7 | | | | | 1991 9 1994 7 | | | 1994 7 2000 9 | | | 2000 9 2002 12 | | 1995 4 2000 12 | | | 2002 12 2004 7 | | 2001 10 2002 12 | | | 2004 7 2005 7 | | | 2005 7 2006 4 | | | 2006 4 2009 3 | | | 2009 3 2009 12 | | | | 2009 12 2012 4 | | | | 2012 4 2012 8 | | | 2012 8 2016 3 | | | 2016 3 2016 10 | | | | 2016 10 2019 5 | | | | 2019 5 2020 8 | | | 2020 8 | | | | | | |