| | 1966 10 | 1990 8 | | | | 1988.09 1990.07 | 1990.08 1994.07 | | 1994.07 1999.02 | | 1997 4 1999 7 | | | 1999.02 2005.06 | 2003 9 | 2005 12 | | 2005.06 2006.02 | | 2006.02 2006.06 | 2006.06 2007.12 | | 2007.12--2018.01 | | 2018.01 | |