1955 10 | 1977 2 1984 4 | | | | | | | | 1972 1977 | | 1977 1978 | | 1978 1981 | | 1981 1989 | | 1989 1994 | | 1994 1995 | | 1995 1998 | | 1998 2002 | | 2002 2007 | | 2007 2012 | | 2012 2014 | | 2014 2017 | | | | 2017 | | | | | | | | | | | |