1969 6 | 1992 12 | 1991 7 | | | | 1987.09 1991.07 | | 1991.07 1997.10 | | 1992.03 1992.12 | | | 1997.10 2001.08 | | | 2001.08 2002.04 | | | 2002.04 2008.04 | | 2008.04 2009.01 | | 2009.01 2014.01 | | 2014.01 2017.07 | | 2017.07 2019.02 | | 2019.02 2020.03 | | 2020.03 | | | | | | | | | | | | | | | | | | | | | | | | | | | | |