 | 1953 6 | 1969 1974 1 | | | | | | | | | | 1969 — 1975 | | | 1975 — 1979 | | | 1979 — 1982 | | | 1982 — 1983 | | 1983 — 1985 | | | 1985 — 1988 | | | 1988 — 1990 | | | 1990 — 1993 | | | | 1993 — 1995 | | | | 1995 — 1996 | | | | 1996 — 1999 | | | 1999 — 2000 | | | | | | 2000 — 2002 | | | | | 1998 — 2002 | | | | | 2002 — 2003 | | | | | 2003 — 2007 | | | | 2007 — 2007 | | | 2007 — 2008 | | | 2008 — 2010 | | | | 2010 — 2012 | | | | | | 2012 — | | | | | | | | | | | | | | | | | | | |
