| | | | | | | | 1966 12 | 1989 7 | 1998 12 | | | | | | 1989.07 1991.04 | | 1991.04 1997.10 | | 1997.10 1999.02 | | 1999.02 2001.04 | | 2001.04 2002.10 | | 2002.10 2005.01 | | 2005.01 2006.11 | | 2006.11 2007.03 | | 2007.03 2011.05 | | 2011.05 2011.07 | | 2011.07 2017.10 | | 2017.10 2019.03 | | 2019.04 2021.02 | | | 2021.03 | |