| | | | | | | 1972 6 | | 1997 7 1992 12 | | | 1990.09 1994.09 | | | 1994.09 1997.07 | | 1997.07 1998.08 | | 1998.08 2001.08 | | 2001.08 2004.09 | | 2004.09 2010.09 | | 2010.09 2015.02 | | 201502 2017.02 | | 2017.02 2018.09 | | 2018.09 2020.06 | | 2020.06 | | | | | | | | | | | | | |