| | | | 1958 4 1980 | 7 1990 12 | | 1996 8 - 1998 10 | | 1998 10 - 2005 7 | | 2005 7 - 2006 7 | | 2006 7 - 2007 3 | | 2007 3 - 2010 6 | | | 2010 6 - 2012 4 | | | 2012 4 - 2012 10 | | | | 2012 10 - 2013 1 | | | | 2013 1 - 2014 9 | | | | 2014 9 - 2016 4 | | | 2016 4 - 2018 4 | | 2018 4 | |