Quarter	Sterling
2003-03-31	20451
2003-06-30	21499
2003-09-30	26488
2003-12-31	30888
2004-03-31	23803
2004-06-30	28480
2004-09-30	24997
2004-12-31	23790
2005-03-31	34540
2005-06-30	29226
2005-09-30	12932
2005-12-31	34802
2006-03-31	34971
2006-06-30	35500
2006-09-30	49121
2006-12-31	59822
2007-03-31	49036
2007-06-30	54251
2007-09-30	29530
2007-12-31	21686
2008-03-31	684
2008-06-30	109705
2008-09-30	86966
2008-12-31	219145
2009-03-31	43457
2009-06-30	60020
2009-09-30	35434
2009-12-31	27811
2010-03-31	29787
2010-06-30	-21845
2010-09-30	24149
2010-12-31	-28411
2011-03-31	20394
2011-06-30	-22779
2011-09-30	-13322
2011-12-31	-77121
2012-03-31	-17598
2012-06-30	-50623
2012-09-30	-18558
2012-12-31	-1982
2013-03-31	-32201
2013-06-30	-13323
2013-09-30	-13624
2013-12-31	4724
2014-03-31	-11246
2014-06-30	19090
2014-09-30	13312
2014-12-31	2151
2015-03-31	-20475
2015-06-30	15159
2015-09-30	6800
2015-12-31	-24077
2016-03-31	10368
2016-06-30	12940
2016-09-30	-6965
2016-12-31	-12438
2017-03-31	-1154
2017-06-30	21561
2017-09-30	17820
2017-12-31	16159
2018-03-31	33096
2018-06-30	22209
2018-09-30	19070
2018-12-31	9080
2019-03-31	7939
2019-06-30	15100
2019-09-30	16040
2019-12-31	6885
2020-03-31	17702
2020-06-30	53203
2020-09-30	-10985
2020-12-31	1290
2021-03-31	21769
2021-06-30	-8348
2021-09-30	4662
2021-12-31	26818
2022-03-31	-13116
2022-06-30	-21654
2022-09-30	4656
2022-12-31	11063
2023-03-31	22419
2023-06-30	6132
2023-09-30	7512
2023-12-31	1312