Quarter	Sterling (millions)
2004-03-31	89.2
2004-06-30	90
2004-09-30	90.3
2004-12-31	90.6
2005-03-31	91.4
2005-06-30	91.9
2005-09-30	90.7
2005-12-31	92.7
2006-03-31	93.5
2006-06-30	94.8
2006-09-30	95.4
2006-12-31	94.8
2007-03-31	95.8
2007-06-30	96.4
2007-09-30	96.6
2007-12-31	97.2
2008-03-31	96.9
2008-06-30	97.3
2008-09-30	97.4
2008-12-31	97.4
2009-03-31	97.4
2009-06-30	97.4
2009-09-30	96.1
2009-12-31	93.3
2010-03-31	91.2
2010-06-30	88
2010-09-30	84.5
2010-12-31	82.5
2011-03-31	81
2011-06-30	81.7
2011-09-30	81.9
2011-12-31	83.3
2012-03-31	84.3
2012-06-30	82.9
2012-09-30	81
2012-12-31	80.7
2013-03-31	80.9
2013-06-30	81.7
2013-09-30	82.3
2013-12-31	83.5
2014-03-31	83.4
2014-06-30	80
2014-09-30	81.7
2014-12-31	82.6
2015-03-31	82.9
2015-06-30	83.2
2015-09-30	83.1
2015-12-31	84.7
2016-03-31	82
2016-06-30	81.2
2016-09-30	81
2016-12-31	81.6
2017-03-31	82.7
2017-06-30	83.8
2017-09-30	82.8
2017-12-31	83.1
2018-03-31	79.5
2018-06-30	77.7
2018-09-30	77.3
2018-12-31	77.7
2019-03-31	78.5
2019-06-30	77.5
2019-09-30	67.4
2019-12-31	64.3
2020-03-31	63.9
2020-06-30	69.1
2020-09-30	69.3
2020-12-31	65.3
2021-03-31	62
2021-06-30	59.6
2021-09-30	59.5
2021-12-31	58.4
2022-03-31	61.2
2022-06-30	63.5
2022-09-30	67.8
2022-12-31	72.8
2023-03-31	76.3
2023-06-30	77.6
2023-09-30	78.5
2023-12-31	76.8