| | | | | | | | 1968 2 | | | 1991.04 1993.09 | 1993.09 1994.06 | | 1994.06 1999.09 | | | 1999.09 2002.11 | | 2002.11 2004.02 | | 2004.02 2007.12 | | 2007.12 2008.07 | | 2008.07 2009.12 | | 2009.12 2011.03 | | 2011.03 2011.12 | | 2011.12 2017.02 | | 2017.02 2017.05 | | 2017.05 2017.10 | | 2017.10 2021.02 | | 2021.02 2021.06 | | | 2021.06 2021.07 | | 2021.07 2022.01 | | 2022.01 | | | | | | | |