| | | 1970 8 1992 | 9 | | | 1992.09 1997.08 | | 1997.08 2002.05 | | 2002.05 2002.08 | | 2002.08 2009.02 | | 2009.02 2010.06 | | 2010.06 2011.09 | | 2011.09 2017.10 | | 2017.10 2019.05 | | 2019.05 2021.07 | | | 2021.07 | | | | | | | | |