| ( ) | | 1964 | | | 1986 12 1987 | 8 | | 1987.08 1990.10 | | 1990.10 1991.10 | | | 1991.10 1992.04 | | | 1992.04 1997.09 | | 1997.09 1998.12 | | | 1998.12 1999.11 | | 1999.11 2002.03 | | | 2002.03 2007.04 | | 2004.05 2004.12 | 2005. | 01 2006.03 | ） | 2007.04 2008.06 | | 2008.06 2010.12 | | | 2010.12 2011.08 | | | 2011.08 2014.08 | | | 2014.08 2017.12 | | | 2017.12 2020.04 | | | 2020.01 2020.04 | | | 2020.04 | | | | | | | | |