Quarter	Sterling (millions)
2004-03-31	69.1
2004-06-30	71.4
2004-09-30	71.4
2004-12-31	71.1
2005-03-31	71.7
2005-06-30	67.9
2005-09-30	61.1
2005-12-31	60.2
2006-03-31	60.3
2006-06-30	60.9
2006-09-30	60.4
2006-12-31	59.6
2007-03-31	57.4
2007-06-30	56.6
2007-09-30	55.3
2007-12-31	54.7
2008-03-31	54.7
2008-06-30	54.2
2008-09-30	54.3
2008-12-31	54.2
2009-03-31	54.5
2009-06-30	53
2009-09-30	52.8
2009-12-31	52.3
2010-03-31	51.5
2010-06-30	50.6
2010-09-30	49.7
2010-12-31	49.8
2011-03-31	51.8
2011-06-30	51.3
2011-09-30	51.5
2011-12-31	51.6
2012-03-31	51.3
2012-06-30	51.5
2012-09-30	51.6
2012-12-31	51.4
2013-03-31	52.2
2013-06-30	53
2013-09-30	53.5
2013-12-31	52.8
2014-03-31	52.7
2014-06-30	53.2
2014-09-30	53.8
2014-12-31	54.2
2015-03-31	55.3
2015-06-30	56.2
2015-09-30	56.9
2015-12-31	57.5
2016-03-31	81.7
2016-06-30	82
2016-09-30	82.2
2016-12-31	82.1
2017-03-31	82.3
2017-06-30	82.6
2017-09-30	88.5
2017-12-31	88.6
2018-03-31	87.2
2018-06-30	79.7
2018-09-30	78.7
2018-12-31	78.5
2019-03-31	78
2019-06-30	78.2
2019-09-30	78.3
2019-12-31	78.5
2020-03-31	82.5
2020-06-30	83.3
2020-09-30	78.7
2020-12-31	76.8
2021-03-31	75.8
2021-06-30	75.5
2021-09-30	75.9
2021-12-31	75.7
2022-03-31	76.2
2022-06-30	76.5
2022-09-30	77
2022-12-31	77.8
2023-03-31	78.4
2023-06-30	79.2
2023-09-30	79.9
2023-12-31	80.6