| | | | | | | | | | | | | | | 1970 12 | 2000 7 | 1992 7 | | 1992.07︱2000.01 | | 2000.01︱2011.03 | 2011.03 ︱ 2012.05 | 2012. 05 ︱ 2015. 12 | | 2015.12 ︱ 2021.09 | | 2021.09 ︱ 2023.01 | | | 2023.1 ︱ | | | | | | |