Quarter	Sterling
2003-03-31	20214
2003-06-30	21146
2003-09-30	22015
2003-12-31	30282
2004-03-31	23048
2004-06-30	27368
2004-09-30	21992
2004-12-31	25199
2005-03-31	38856
2005-06-30	26935
2005-09-30	16711
2005-12-31	38047
2006-03-31	32969
2006-06-30	30105
2006-09-30	44821
2006-12-31	60091
2007-03-31	44201
2007-06-30	55329
2007-09-30	30359
2007-12-31	31612
2008-03-31	-3186
2008-06-30	98077
2008-09-30	88213
2008-12-31	178747
2009-03-31	26519
2009-06-30	42776
2009-09-30	29794
2009-12-31	25738
2010-03-31	26927
2010-06-30	-22161
2010-09-30	25245
2010-12-31	-21811
2011-03-31	18806
2011-06-30	-17748
2011-09-30	-4348
2011-12-31	-71205
2012-03-31	-22007
2012-06-30	-48235
2012-09-30	-15708
2012-12-31	5794
2013-03-31	-33169
2013-06-30	-7247
2013-09-30	-21760
2013-12-31	8647
2014-03-31	-11781
2014-06-30	14467
2014-09-30	7428
2014-12-31	-381
2015-03-31	-28235
2015-06-30	13175
2015-09-30	8880
2015-12-31	-32109
2016-03-31	9602
2016-06-30	10283
2016-09-30	-5671
2016-12-31	-15925
2017-03-31	-7731
2017-06-30	17818
2017-09-30	15507
2017-12-31	10907
2018-03-31	23316
2018-06-30	17252
2018-09-30	24799
2018-12-31	14429
2019-03-31	2226
2019-06-30	18649
2019-09-30	13460
2019-12-31	11684
2020-03-31	12323
2020-06-30	34522
2020-09-30	-11318
2020-12-31	-6317
2021-03-31	18379
2021-06-30	-8393
2021-09-30	7026
2021-12-31	15227
2022-03-31	-2240
2022-06-30	-7430
2022-09-30	16763
2022-12-31	12139
2023-03-31	22756
2023-06-30	5704
2023-09-30	9257
2023-12-31	10091