| | | | | | | | | | | | | | | | | | | 1963 11 | 1981 9 | | | | 1981 09 — 1992 09 | | 1992 09 — 1994 07 | | 1994 08 — 1996 10 | | 1996 11 —2001 08 | | 2001 08 —2003 11 | | 2003 11 — 2020 5 | | | 2020 05 — | | | |