Quarter	Sterling (millions)
2004-03-31	31.6
2004-06-30	31.6
2004-09-30	29.4
2004-12-31	30
2005-03-31	30.5
2005-06-30	31.6
2005-09-30	33.1
2005-12-31	33.4
2006-03-31	34.1
2006-06-30	32.6
2006-09-30	29.7
2006-12-31	31.1
2007-03-31	33.7
2007-06-30	31.5
2007-09-30	31.5
2007-12-31	31.4
2008-03-31	28.4
2008-06-30	34.1
2008-09-30	34.5
2008-12-31	32.2
2009-03-31	33.4
2009-06-30	32.2
2009-09-30	31
2009-12-31	30.1
2010-03-31	28.6
2010-06-30	27.4
2010-09-30	19.2
2010-12-31	15.9
2011-03-31	18.5
2011-06-30	18
2011-09-30	16.9
2011-12-31	15.4
2012-03-31	18.6
2012-06-30	18.3
2012-09-30	16.1
2012-12-31	14.2
2013-03-31	13.2
2013-06-30	12.1
2013-09-30	11.6
2013-12-31	10.9
2014-03-31	12.6
2014-06-30	13.2
2014-09-30	12.9
2014-12-31	12.7
2015-03-31	12.8
2015-06-30	13.4
2015-09-30	15
2015-12-31	14
2016-03-31	11.5
2016-06-30	12.3
2016-09-30	12.5
2016-12-31	14.6
2017-03-31	14.3
2017-06-30	18.1
2017-09-30	19.2
2017-12-31	19.9
2018-03-31	22
2018-06-30	20.5
2018-09-30	18.5
2018-12-31	17.7
2019-03-31	18.3
2019-06-30	19.3
2019-09-30	18.3
2019-12-31	18.1
2020-03-31	18.9
2020-06-30	36.7
2020-09-30	22.7
2020-12-31	23.3
2021-03-31	19.6
2021-06-30	17.5
2021-09-30	18.6
2021-12-31	20.6
2022-03-31	19.8
2022-06-30	20.5
2022-09-30	21
2022-12-31	19.8
2023-03-31	20.2
2023-06-30	20.8
2023-09-30	20.5
2023-12-31	20.3