Quarter	Sterling (millions)
2004-03-31	13.1
2004-06-30	12.8
2004-09-30	12.1
2004-12-31	11.3
2005-03-31	1
2005-06-30	1.4
2005-09-30	2
2005-12-31	2
2006-03-31	2.2
2006-06-30	2.1
2006-09-30	2
2006-12-31	2
2007-03-31	2.1
2007-06-30	2.3
2007-09-30	2.5
2007-12-31	2.6
2008-03-31	2.8
2008-06-30	3.1
2008-09-30	3.2
2008-12-31	3.8
2009-03-31	4.1
2009-06-30	4.1
2009-09-30	4.7
2009-12-31	4.9
2010-03-31	5.2
2010-06-30	4.5
2010-09-30	4.7
2010-12-31	4.9
2011-03-31	5
2011-06-30	6.5
2011-09-30	7.1
2011-12-31	7.3
2012-03-31	8.1
2012-06-30	7.7
2012-09-30	8
2012-12-31	8.4
2013-03-31	8.1
2013-06-30	7.8
2013-09-30	7.6
2013-12-31	7.6
2014-03-31	6.4
2014-06-30	6.1
2014-09-30	5.8
2014-12-31	5.7
2015-03-31	5.3
2015-06-30	5
2015-09-30	4.8
2015-12-31	4.7
2016-03-31	1.9
2016-06-30	1.6
2016-09-30	1.5
2016-12-31	1.4
2017-03-31	1.3
2017-06-30	1.2
2017-09-30	1.2
2017-12-31	0.8
2018-03-31	0.8
2018-06-30	0.6
2018-09-30	0.5
2018-12-31	0.4
2019-03-31	0.5
2019-06-30	0.4
2019-09-30	0.5
2019-12-31	0.4
2020-03-31	0.3
2020-06-30	0.3
2020-09-30	0.2
2020-12-31	0.2
2021-03-31	0.2
2021-06-30	0.3
2021-09-30	0.3
2021-12-31	0.3
2022-03-31	0.3
2022-06-30	0.3
2022-09-30	0.3
2022-12-31	0.3
2023-03-31	0.4
2023-06-30	0.4
2023-09-30	0.4
2023-12-31	0.4