1963 5 | 1981 3 1991 7 | | | | | 1981.03 1985.09 | 1985.09 1988.07 | | 1988.07 1991.03 | 1991.03 1994.01 | | 1994.01 1999.06 | | 1999.06 2004.01 | | 2004.01 2012.11 | | 2012.11 2017.12 | | 2017.12 | | | | | | | | |