| 1968 11 | | 1989 7 1994 12 | | | | 1989.07 1990.12 | 1990.12 1992.12 | | 1992.12 1996.03 | | 1996. 03 1998. 03 | | 1998.03 1999.11 | | 1999.11 2004.03 | 2004.03 2006.01 | | 2006.01 2008.09 | | 2008.09 2010.09 | | | | 2010.09 2013.01 | | 2013.01 2015.05 | | 2015.05 2016.05 | | | 2016.05 2017.08 | | 2017.08 2019.07 | | 2019.07 2020.08 | | 2020.08 2021.04 | | | 2021.04 2021.07 | | 2021.07 2022.01 | | | | 2022.01 |