Quarter	Sterling (millions)
2004-03-31	17.1
2004-06-30	21.6
2004-09-30	31
2004-12-31	35.1
2005-03-31	35.4
2005-06-30	39.5
2005-09-30	53.5
2005-12-31	62.5
2006-03-31	53.8
2006-06-30	52.4
2006-09-30	41.1
2006-12-31	45.8
2007-03-31	58.7
2007-06-30	63.1
2007-09-30	60.8
2007-12-31	50.4
2008-03-31	40.4
2008-06-30	56.1
2008-09-30	50.7
2008-12-31	43.2
2009-03-31	49.9
2009-06-30	70.9
2009-09-30	72.5
2009-12-31	55.5
2010-03-31	41.6
2010-06-30	42.1
2010-09-30	44.7
2010-12-31	44.2
2011-03-31	50.7
2011-06-30	59.6
2011-09-30	55.7
2011-12-31	57.8
2012-03-31	61
2012-06-30	64.2
2012-09-30	61.9
2012-12-31	69.4
2013-03-31	77.6
2013-06-30	79.9
2013-09-30	82
2013-12-31	84.6
2014-03-31	86
2014-06-30	87.5
2014-09-30	87
2014-12-31	86.7
2015-03-31	82.4
2015-06-30	82.2
2015-09-30	84.5
2015-12-31	87.7
2016-03-31	84.5
2016-06-30	84.3
2016-09-30	83.9
2016-12-31	83.4
2017-03-31	84.2
2017-06-30	88.4
2017-09-30	89
2017-12-31	92.6
2018-03-31	93.3
2018-06-30	93.3
2018-09-30	91.7
2018-12-31	93.2
2019-03-31	92.1
2019-06-30	93.4
2019-09-30	92.6
2019-12-31	93.3
2020-03-31	92.7
2020-06-30	89.7
2020-09-30	90.9
2020-12-31	92.1
2021-03-31	93.4
2021-06-30	94.5
2021-09-30	94.7
2021-12-31	94.9
2022-03-31	94.9
2022-06-30	95.8
2022-09-30	96.2
2022-12-31	94.5
2023-03-31	82
2023-06-30	84.7
2023-09-30	90.5
2023-12-31	85.7