- 2018 – September 27 (to come)
- 2018 – September 27 AGM (to come)
- 2018 – June 4
- 2018 – January 29
- 2017 – September 25
- 2017 – September 25 AGM
- 2017 – April 25
- 2016 – December 5
- 2016 – September 29 AGM
- 2016 – September 29
- 2016 – May 12
- 2016 – January 21
- 2015 – September 28
- 2015 – September 28 AGM
- 2015 – June 3
- 2015 – March 30
- 2015 – December 1
- 2014 – October 1
- 2014 – May 20
- 2014 – January 15 Special General Meeting
- 2014 – January 15
- 2013 – September 18 Special General Meeting
- 2013 – September 18
- 2013 – February 12
- 2012 – October 15
- 2012 – June 11
- 2012 – March 26
- 2011 – November 21
- 2011 – June 20
- 2011 – March 28
- 2010 – November 8
- 2010 – May 18
- 2010 – February 22
- 2009 – October 6
- 2009 – June 22
- 2009 – March 23
- 2008 – November 25
- 2008 – October 7
- 2008 – June 16
- 2008 – April 22
- 2008 – March 4
- 2008 – January 22
- 2007 – December 10
- 2007 – September 25
- 2007 – June 18
- 2007 – February 12
- 2006 – November 20
- 2006 – July 24
- 2006 – March 28
- 2006 – January 31
- 2005 – November 10
- 2005 – January 31
- 2004 – October 13
- 2004 – May 18
- 2003 – September 16
- 2003 – May 8
- 2002 – November 12
