| | | | | | | | | | | | | | 1973 12 | 1996 9 | | | 1996.09 ︱ 2002.08 | 2002.08 ︱ 2003.03 | 2003.03 ︱ 2008.08 | | 2008.08 ︱2010.12 | | 2010.12 ︱2016.12 | | 2016.12 ︱2019.01 | | 2019.01 ︱2021.07 | | 2021.07 ︱ 2021.10 | | | 2021.11 ︱ 2022.01 | | 2022.01︱ | |