| | | | 1968 4 | 1989 12 | 1986 11 | | | 1986.11 1990.03 51307 | | 1990.03 1990.07 | 1990.07 1992.08 | | | 1992.08 1998.06 | | | 1998.06 2006.08 | | 1998.09 2001.07 | | | 2005.01 | | | 2006.08 2010.12 | | | 2010.12 2014.12 | | | 2014.12 2019.11 | | 2019.11 | | | | | | | | | | | |