| | | 1974 8 | | | 1991 | 3 1997 3 | | | | | | | | | 1991.03 2003.08 | | 2003.08 2009.11 | | 2003.07 2005.07 | | 2009.11 2010.12 | | | 2010.12 2015.02 | | | 2015.02 2016.05 | | | 2016.05 2020.01 | | | | 2014.08 2017.01 | | | 2020.01 2020.02 | | | | 2020.02 | | | | | | | | | | | | | | | | | | | | | | | | | |