| | | | | | | | | | | | | | | | 1967 6 | 1989 8 | 1994 6 | | | | 1989.08 1990.12 | 1990.12 1995.03 | | 1995.03 1996.03 | | 1996.03 1999.10 | | 1999.10 2000.09 | | 2000.09 2003.04 | | 2003.04 2008.01 | | | 2008.01 2008.04 | | 2008.04 2011.03 | | 2011.03 2013.03 | | | 2013.03 2014.02 | | 2014.02 2015.11 | | 2015.11 2018.02 | | 2018.02 2020.04 | | 2020.04 2020.05 | | | 2020.05 | |