| | | | | 1981 2 | 2009 6 2004 | 8 | | | 2004.08 2009.08 | | 2009.08 2010.08 | | 2010.08 2014.02 | | 2014.02 2015.03 | | | 2015.03 2016.05 | | | 2016.05 2016.09 | | 2016.09 2017.10 | | 2017.10 2018.10 | | 2018.10 2020.09 | | | 2020.09 2021.06 | | | | 2021.06 2021.07 | | | | 2021.07 | | | | | |