| | | | | | 1981 3 | 1999 9 2002 7 | | | | | | | 1999 9 ︱ 2004 3 | | 2004 4 ︱ 2007 5 | | 2007 6 ︱ 2010 12 | | 2011 1 — 2011 8 | | 2011 9 — 2012 11 | | 2012 12 — 2016 5 | | | | | | 2016 6 — 2017 10 | | | | | 2017 11 — 2019 4 | | | 2019 5 ︱ 2021 6 | | | | | 2021 7 — | | |