| 1970 11 | 1990 7 1998 | 4 | | | | 1986.09 1990.07 | | | 1990.07 1992.04 | | | 1992.04 1995.10 | | 1991.06 1995.06 | | | 1995.10 2006.11 | | 1998.09 2000.12 | 2001.09 2004.06 | | | | 2006.11 2013.02 | | | 2013.02 2014.09 | | | | 2014.09 2017.06 | | | | 2017.06 2019.01 | | | | 2019.01 2020.11 | | | | 2020.11 | | | | |