| | 1981.06 1992.11 | 1988.09 1990. | 07 | | 1992.11 1996.03 | | 1996.03 1997.08 | | 1997.08 2002.05 | | 1997.08 1999.12 | | | 2002.05 2002.11 | | 2002.11 2003.06 | | | 2003.06 2004.04 | | 2004.04 2005.05 | | 2005.05 2008.07 | | 2008.07 2008.12 | | | 2008.12 2009.06 | | 2009.06 2012.10 | | 2012.10 2014.08 | | | 2014.08 2017.09 | | | 2017.09 2018.03 | | | | 2018. 03 | | | |