| 1969 1 | 1990 8 1995 | 6 | | | | | | | | | | | | | | | | | | | | | | 1990.08 | 1991.11 | | 1997.01 | | 1999.10 | | 2002.05 | 2002.09 | | 2006.05 | | 2006.09 | | 2012.05 | 2018.09 | 2018.11— |