1971 6 | | | | | | | | | | | | | | | | | | | | | | | | 1989.08 1991.07 | | | 1991. 07 1992. 05 | | | 1992.05 1998.05 | | | 1998.05 1999.08 | | | 1999.08 2008.04 | | 2001.07 2005.09 | | 2005.09 2005.12 | | | 2008.04 2013.01 | | 2008.09 2011.07 | | | | 2013.01 2013.11 | | | 2013.11 2016.07 | | | | 2016.07 2016.08 | | | | | 2016.08 2016.12 | | | | | | 2016.12 2017.07 | | | | | 2017.07 2020.12 | | | | | 2020.12 2021.01 | | | | 2021.01 | | |