| | | | | | | | | | | 1968 9 | 1995 9 1992 8 | | | 1989.09 - 1992.07 | | 1992.08 - 1993.12 | | 1993.12 - 2001.03 | | 2001.03 - 2001.08 | | 2001.08 - 2004.01 | | 2004.01 - 2004.11 | | 2004.11 - 2010.04 | | 2010.04 - 2015.07 | | 2015.07 - 2016.05 | | 2016.05 - 2016.11 | | 2016.11 - 2019.06 | | 2019.06 - 2021.06 | | 2021.06 - 2022.01 | | | 2022.01- | |