| | | 1964 11 | | 1981 11 | | | | : | 1981.11 1987.09 | | 1987.09 1990.09 | | 1990.09 1995.08 | | 1995.08 1997.05 | | | 1997.05 2000.02 | | | 2000.02 2002.10 | | 2002.10 2004.04 | | 2004.04 2007.07 | | 2007.07 2011.12 | | | 2011.12 2017.10 | | 2017.10-2017.12 | | | 2017.12 | | |