| | | | | | | | | | | | | | | | | | | | | | | | | | | | | 1972 9 | 1991 9 | | 1991.09 1995.07 | | 1995.07 2004.06 | 1996.04 | | 2004.06 2008.05 | 2004.06 | | 2008.05 2010.12 | | | 2010.12 2015.07 | 2012.06 | | | 2015.07 2019.03 | | 2019.03 2020.02 | | 2020.02 2021.08 | | 2021.08 2022.03 | | 2022.03 | | | | | | | |