| | | | | | | | | | | 1969 12 | 1991 11 1988 7 | | | 1985.09 ︱1988.07 | | 1988.07 ︱1989.09 | | 1989.09 ︱ 1993.05 | | 1993.05 ︱ 1995.11 | 1990.07 ︱ 199 3.06 | | | 1995.11 ︱ 1999.02 | | | | 1999.02 ︱2002.09 | 1998.08 ︱2000.12 | | | 2002.09 ︱ 2004.03 | | | 2004.03 ︱ 2005.10 | | 2005.10 ︱ 2010.12 | | | 2010.12 ︱ 2011.05 | | 2011.05 ︱ 2012. 12 | | | 2012.12 ︱2019.01 | | 2014. 09 ︱ 2014. 12 | 2015. 01 | | 2019.01 ︱ 2019.06 | | 2019.06 ︱ 2021.06 | | 2021.06 ︱2022.01 | | | 2022.01 ︱ | | | |