| | | | | | | | | | 1974 9 | 1996 12 | | | 1994.09 - 1996.07 | | 1996.12 - 1997.05 | | 1997.05 - 2008.01 | 1997.04 - 2002.12 | 2001.08 - 2003.12 | | 2008.01 - 2017.06 | 2010.05 - 2010.12 | | 2017.06 - 2019.01 | | 2019.01 - 2021.04 | | 2021.04 - 20201.06 | | 2021.06 - 2021 . 11 | | | 2021.11 - 2022.01 | | | 2022.01-- | |