| | | | | | | | | | | 1969 9 | 1986 10 | | 1986.10 - 1987.01 | | 1987.01 - 1998.03 | | 1998.03 - 2002.09 | 1997.09-2002.06 | | 2002.09 - 2007.08 | 2003.09-2005.12 | | 2007.08-2015.07 | | 2015.07 - 2021.04 | | 2021.04 - 2021.06 | | 2021.06 - 2022.01 | | 2022.01-- | |