| 1973 1 | 1994 | 8 | | 1992.09 — 1994.07 | | 1994.07 — 1994.08 | 1994.08 — 2004.03 | | 2004.03 — 2005.04 | | 2005.04 — 2008.04 | | 2008.04 — 2017.01 | 2007.03 — 2010.01 | | 2017.01 — 2017.12 | | | 2017.12 — 2018.02 | | | 2017.12 — | |