Quarter	Sterling
2003-03-31	11792
2003-06-30	11492
2003-09-30	14493
2003-12-31	13967
2004-03-31	19165
2004-06-30	17366
2004-09-30	19720
2004-12-31	19068
2005-03-31	18033
2005-06-30	18525
2005-09-30	18291
2005-12-31	19014
2006-03-31	31995
2006-06-30	26014
2006-09-30	31779
2006-12-31	31625
2007-03-31	42016
2007-06-30	36394
2007-09-30	36333
2007-12-31	48955
2008-03-31	41132
2008-06-30	50583
2008-09-30	45852
2008-12-31	51470
2009-03-31	46902
2009-06-30	37782
2009-09-30	29973
2009-12-31	38936
2010-03-31	30758
2010-06-30	49487
2010-09-30	22836
2010-12-31	72523
2011-03-31	32613
2011-06-30	41121
2011-09-30	27628
2011-12-31	62907
2012-03-31	59615
2012-06-30	72007
2012-09-30	26413
2012-12-31	31669
2013-03-31	35988
2013-06-30	27287
2013-09-30	24754
2013-12-31	28525
2014-03-31	32665
2014-06-30	26088
2014-09-30	24025
2014-12-31	31159
2015-03-31	50209
2015-06-30	29475
2015-09-30	24520
2015-12-31	67640
2016-03-31	40395
2016-06-30	28837
2016-09-30	36856
2016-12-31	29997
2017-03-31	37898
2017-06-30	31877
2017-09-30	30470
2017-12-31	34660
2018-03-31	18249
2018-06-30	22494
2018-09-30	18939
2018-12-31	26095
2019-03-31	20686
2019-06-30	28739
2019-09-30	30366
2019-12-31	23177
2020-03-31	20919
2020-06-30	32053
2020-09-30	31724
2020-12-31	29527
2021-03-31	28871
2021-06-30	35934
2021-09-30	28538
2021-12-31	29150
2022-03-31	41855
2022-06-30	29812
2022-09-30	35154
2022-12-31	37606
2023-03-31	34429
2023-06-30	40648
2023-09-30	40603
2023-12-31	35626