| | 1979 10 | 2007 | 9 2008 7 | | | | 2001 3 －2005 7 | | | 2005 7 －2006 9 | 2006 9 －2007 9 | | 2007 9 －2009 1 | | | 2009 1 －2009 6 | | | 2009 6 －2012 4 | | | 2012 4 －2014 6 | | | 2014 6 －2014 8 | | 2014 8 －2015 11 | | 2015 11－2019 7 | | 2019 7 －2020 9 | | 2020 9 －2021 7 | | | 2021 7 － | | | | | | | | | | | | | | | | | | | | | | |