| | | | | | | | | | | | 1972 9 | 1987 12 1998 12 | | | 1987.12 1990.12 | 1990.12 1994.05 | 1994.05 2000.06 | 2000.06 2002.07 | | 2002.07 2006.04 | 2002.09 2004.12 | | 2006.04 2012.04 | | 2012.04 2015.11 | | 2015.11 2021.01 | 2019.12 | 2021.01 2021.02 | | 2021.02 | |