| | | | | | | | | | | | | | | | | | | | 1991.09 1995.07 | | 1995.08 2000.08 | | 1999.09 2002.12 | | 2000.09 2002.10 | | | 2002.10 2006.07 | | 2003.7 2003.12 | | 2003.07 2009.12 | | 2006.07 2009.02 | | | 2009.02 2011.04 | | | 2011.04 2013.03 | | | 2013.03 2015.07 | | | 2015.07 2019.02 | | | 2019.02 2020.04 | | | | 2020.04 2020.11 | | | | 2020.11 | | | | |