| 1971 10 | 1999 6 | 1990 7 | | | | | 1990.07 1991.09 | | 1991.09 1998.04 | | 1998.04 2000.04 | | 2000.04 2004.02 | | | 2004.02 2008.03 | | | 2008.03 2011.01 | | | 2011.01 2018.01 | | 2018.01 2019.01 | ； | 2019.01 2021.07 | | 2021.07 | | |