Quarter	Sterling (millions)
2004-03-31	57.2
2004-06-30	56.3
2004-09-30	57.1
2004-12-31	55.9
2005-03-31	66.1
2005-06-30	64.9
2005-09-30	64.1
2005-12-31	63.3
2006-03-31	61.5
2006-06-30	61.1
2006-09-30	61.3
2006-12-31	60.9
2007-03-31	60.4
2007-06-30	60.3
2007-09-30	60
2007-12-31	60.1
2008-03-31	60.5
2008-06-30	60.8
2008-09-30	60.8
2008-12-31	63.3
2009-03-31	64.3
2009-06-30	64.3
2009-09-30	64
2009-12-31	65
2010-03-31	66.7
2010-06-30	67.8
2010-09-30	68.3
2010-12-31	68.6
2011-03-31	67.9
2011-06-30	67.5
2011-09-30	67.7
2011-12-31	68.3
2012-03-31	68
2012-06-30	68.5
2012-09-30	68.9
2012-12-31	69
2013-03-31	68.9
2013-06-30	69.9
2013-09-30	70.7
2013-12-31	71.1
2014-03-31	68.5
2014-06-30	69.5
2014-09-30	70.5
2014-12-31	71.4
2015-03-31	72.3
2015-06-30	73.1
2015-09-30	69.8
2015-12-31	70.8
2016-03-31	77.2
2016-06-30	78.1
2016-09-30	78.8
2016-12-31	78.8
2017-03-31	78.5
2017-06-30	78.4
2017-09-30	77.9
2017-12-31	77.8
2018-03-31	74
2018-06-30	73.6
2018-09-30	74
2018-12-31	73.4
2019-03-31	73.2
2019-06-30	72.6
2019-09-30	72.2
2019-12-31	71.9
2020-03-31	71.8
2020-06-30	70.3
2020-09-30	68.8
2020-12-31	67.9
2021-03-31	67.4
2021-06-30	67.3
2021-09-30	67.8
2021-12-31	68.8
2022-03-31	69
2022-06-30	69.2
2022-09-30	69.8
2022-12-31	70.8
2023-03-31	70.9
2023-06-30	70.6
2023-09-30	70.2
2023-12-31	70.1