Quarter	Sterling (millions)
2004-03-31	30.9
2004-06-30	28.6
2004-09-30	28.6
2004-12-31	28.9
2005-03-31	28.3
2005-06-30	32.1
2005-09-30	38.9
2005-12-31	39.8
2006-03-31	39.7
2006-06-30	39.1
2006-09-30	39.6
2006-12-31	40.4
2007-03-31	42.6
2007-06-30	43.4
2007-09-30	44.7
2007-12-31	45.3
2008-03-31	45.3
2008-06-30	45.8
2008-09-30	45.7
2008-12-31	45.8
2009-03-31	45.5
2009-06-30	47
2009-09-30	47.2
2009-12-31	47.7
2010-03-31	48.5
2010-06-30	49.4
2010-09-30	50.3
2010-12-31	50.2
2011-03-31	48.2
2011-06-30	48.7
2011-09-30	48.5
2011-12-31	48.4
2012-03-31	48.7
2012-06-30	48.5
2012-09-30	48.4
2012-12-31	48.6
2013-03-31	47.8
2013-06-30	47
2013-09-30	46.5
2013-12-31	47.2
2014-03-31	47.3
2014-06-30	46.8
2014-09-30	46.2
2014-12-31	45.8
2015-03-31	44.7
2015-06-30	43.8
2015-09-30	43.1
2015-12-31	42.5
2016-03-31	18.3
2016-06-30	18
2016-09-30	17.8
2016-12-31	17.9
2017-03-31	17.7
2017-06-30	17.4
2017-09-30	11.5
2017-12-31	11.4
2018-03-31	12.8
2018-06-30	20.3
2018-09-30	21.3
2018-12-31	21.5
2019-03-31	22
2019-06-30	21.8
2019-09-30	21.7
2019-12-31	21.5
2020-03-31	17.5
2020-06-30	16.7
2020-09-30	21.3
2020-12-31	23.2
2021-03-31	24.2
2021-06-30	24.5
2021-09-30	24.1
2021-12-31	24.3
2022-03-31	23.8
2022-06-30	23.5
2022-09-30	23
2022-12-31	22.2
2023-03-31	21.6
2023-06-30	20.8
2023-09-30	20.1
2023-12-31	19.4