| | | | | | | | | | | 1966 9 | 1988 7 1988 5 | | | | 1988.07 —1989.09 | | 1989.09 —2002.07 | | | 2002.07 — 2006.10 | | | 2006.10 — 2009.04 | | 2009.04 — 2015.01 2009 4 | 11 | | 2015.01 — 2016.04 | | 2016.04 —2017.02 | | 2017.02 —2017.10 | | 2017.10 —2017.12 | | 2017.12 — | | | | |