| | | | | | | | | | | | | | | | 1977 5 | 1996 9 1999 6 | | | 1999.09 ︱2000.05 | 2000.05 —2003.03 | 2003.03 ︱2005.06 | | 2005.06 ︱ 2009.04 | 2009.04 ︱2015.12 | | 2015.12 ︱ 2016.04 | | 2016.04 ︱ 2021.07 | | 2021.07 ︱ 2022.01 | | 2022.01︱ | | | | |