| | | | | | | | 1981 2 | 1998 9 | 2002 7 | 1995.09 1998.07 | 1996.04 1998.10 | | 1998.07 1998.08 | 1998.08 2003.09 | 2000.04 2003.10 | | 2003.09 2005.09 | 2005.09 2007.07 | 2007.07 2010.04 | 2008.5 12 | | 2009 6 2010 | 3 | | | 2010.04 2013.12 | | 2013.12 2016.05 | | 2016.05 2018.09 | 2018.09 2020.12 | | 2020.12 2021.04 | | | 2021.04 | | | 2021.04 | | |