Quarter	Sterling (millions)
2004-03-31	0
2004-06-30	0
2004-09-30	0
2004-12-31	0
2005-03-31	0
2005-06-30	0
2005-09-30	0
2005-12-31	0
2006-03-31	0
2006-06-30	0
2006-09-30	0
2007-03-31	0
2007-06-30	0
2007-09-30	0
2008-12-31	0
2011-03-31	0
2011-06-30	0
2011-09-30	0
2011-12-31	0
2012-03-31	0
2012-12-31	0
2013-03-31	0
2013-06-30	0
2013-09-30	0
2013-12-31	0
2014-12-31	0
2015-03-31	0
2015-06-30	0
2015-09-30	0
2015-12-31	0
2016-03-31	0
2016-06-30	0
2016-09-30	0
2016-12-31	0
2017-03-31	0
2017-06-30	0
2017-09-30	0
2017-12-31	0
2018-03-31	0
2018-06-30	0
2018-09-30	0
2018-12-31	0