| | 1979 | 2001 | 12 1998 3 | | | 1998.03 1999.09 | | 1999.09 2001.02 | | | 2001.02 2004.09 | | 2004.09 2007.04 | | | 2007.04 2010.01 | | | 2010.01 2010.08 | | | 2010.08 2012. 10 | | 2012.10 2016.09 | | | 2016.09 2018.02 | | | 2018.02 2019.04 | | | 2019.04 2019.05 | | 2019.05 2019.12 | | | 2019.12 2021.01 | | | 2021.01 2021.06 | | | 2021.06 | | | | | | | | | | | |