| | | | | | | 1971 11 | 1994 5 2003 2 | | | | 1991.09 1993.07 | | 1993.07 1994.05 | 1994.05 1996.12 | 1996.12 2001.01 | | 2001.01 2004.03 | | 2004.03 2008.11 | 2008.11 2009.05 | 2009.05 2010.12 | 2010.12 2012.06 | 2012.06 2014.01 | | 2014.01 2015.11 | | 2015. 11 2016. 09 | | 2016.09 2019.01 | | 2019.01 2020.01 | | 2020.01 2021.06 | 2021.06 | |