| · 1970 12 | 1999 | 10 1990 7 | | | | | | | 1986.09 1990.07 | | 1990.07 1992.03 | | 1992.03 1997.02 | | 1997.02 1997.07 | | 1997.07 2000.07 | | 2000.07 2003.11 | | 2003.11 2012.03 | | 2002.09 2004.12 | | 2004.09 2007.01 | | 2012.03 2013.04 | | 2013.04 2014.12 | | 2014.12 2017.09 | 2017 | 1 9 | 2017.09 2020.01 | | 2018.03 2018.04 | | | 2020.01 2020.07 | | 2020.07 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |