| | 1981 12 | 2001 3 | 2003 11 | 2010 12 | | | 1998.09 ︱ 2000.07 | | 2000.07 2001.03 | 2001.03 ︱ 2002.03 | | 2002.03 2004.02 | | 2004.02 ︱ 2006.02 | | 2006.02 ︱ 2011.03 | 2007.09 ︱ 2010.12 | | | 2011.03 2013.03 | | 2013.03 ︱ 2016.11 | | | 2016.11 ︱ 2017.10 | | | 2017.10 ︱ 2017.12 | | | 2017.12 ︱2020.04 | ︵ 2019 | 6 | ︶ | 2020.04 | | | | | | | | | | | | | | | |