Year Period Ended 2018 June 30 Year Period Ended 2016 March 31 Year Period Ended 2015 June 30 Year Period Ended 2014 December 31 September 30 March 31 Year Period Ended 2013 December 31 September 30 June 30 March 31 Year Period Ended 2012 December 31 September 30 June 30 March 31 Year Period Ended 2011 December 31 September 30 June 30 March 31 Year Period Ended 2010 December 31 September 30 June 30 March 31 Year Period Ended 2009 December 31 September 30 June 30 March 31 Year Period Ended 2008 December 31 September 30 March 31 Year Period Ended 2007 December 31 September 30 June 30 March 31 Year Period Ended 2006 December 31 September 30 June 30 March 31 Year Period Ended 2005 December 31 September 30 March 31 Year Period Ended 2004 December 31 September 30 June 30 Year Period Ended 2003 December 31