| 1966 | 12 1987 7 1992 | 5 | | 1984.10-1987.07 | | 1998.08-2000.12 | | 1987.07-1991.09 | | 1991.09-1992.04 | | 1992.04-1993.10 | | 1993.10-1996.04 | | 1996.04-1998.12 | 1998.12-2005.04 | 2005.04--2012.11 | | 2012.11-- | | |