Quarter	Sterling (millions)
2004-03-31	29.7
2004-06-30	30.9
2004-09-30	30.8
2004-12-31	32.7
2005-03-31	32.9
2005-06-30	33.7
2005-09-30	34
2005-12-31	34.7
2006-03-31	36.3
2006-06-30	36.8
2006-09-30	36.7
2006-12-31	37
2007-03-31	37.4
2007-06-30	37.3
2007-09-30	37.6
2007-12-31	37.3
2008-03-31	36.7
2008-06-30	36.2
2008-09-30	35.9
2008-12-31	33
2009-03-31	31.6
2009-06-30	31.6
2009-09-30	31.3
2009-12-31	30.1
2010-03-31	28.1
2010-06-30	27.7
2010-09-30	27.1
2010-12-31	26.5
2011-03-31	27.1
2011-06-30	26
2011-09-30	25.2
2011-12-31	24.4
2012-03-31	23.9
2012-06-30	23.8
2012-09-30	23.2
2012-12-31	22.6
2013-03-31	23.1
2013-06-30	22.3
2013-09-30	21.8
2013-12-31	21.3
2014-03-31	25.2
2014-06-30	24.4
2014-09-30	23.7
2014-12-31	22.9
2015-03-31	22.4
2015-06-30	21.9
2015-09-30	25.3
2015-12-31	24.5
2016-03-31	20.9
2016-06-30	20.3
2016-09-30	19.8
2016-12-31	19.7
2017-03-31	20.2
2017-06-30	20.4
2017-09-30	20.9
2017-12-31	21.5
2018-03-31	25.2
2018-06-30	25.8
2018-09-30	25.5
2018-12-31	26.2
2019-03-31	26.3
2019-06-30	26.9
2019-09-30	27.3
2019-12-31	27.7
2020-03-31	27.8
2020-06-30	29.4
2020-09-30	30.9
2020-12-31	31.8
2021-03-31	32.4
2021-06-30	32.5
2021-09-30	31.9
2021-12-31	31
2022-03-31	30.7
2022-06-30	30.5
2022-09-30	29.9
2022-12-31	28.8
2023-03-31	28.8
2023-06-30	29
2023-09-30	29.4
2023-12-31	29.6