| | | | | 1960 | 9 1978 12 1983 5 | | 1985 1 - 1988 12 | | | 1988 12 -1991 4 | | | 1991 4 - 1992 6 | | 1992 6 - 1994 9 | | 1994 9 - 1998 11 | | 1998 11 - 2001 12 | | 2002 12 - 2004 2 | | | | 2004 2 - 2006 7 | | | | 2006 7 - 2007 2 | | | 2007 2 - 2008 3 | | 2008 3 - 2013 1 | | 2013 1 - 2016 10 | | 2016 10 - 2017 11 | | 2017 11 | | |