Quarter	Sterling
2003-03-31	5029
2003-06-30	3163
2003-09-30	2677
2003-12-31	3235
2004-03-31	3189
2004-06-30	3388
2004-09-30	4894
2004-12-31	3982
2005-03-31	8745
2005-06-30	5922
2005-09-30	5874
2005-12-31	7239
2006-03-31	6148
2006-06-30	5482
2006-09-30	3678
2006-12-31	15611
2007-03-31	7099
2007-06-30	7472
2007-09-30	6306
2007-12-31	13532
2008-03-31	8578
2008-06-30	9482
2008-09-30	7356
2008-12-31	15324
2009-03-31	14176
2009-06-30	13296
2009-09-30	11718
2009-12-31	12957
2010-03-31	14592
2010-06-30	10817
2010-09-30	11491
2010-12-31	17407
2011-03-31	15946
2011-06-30	13223
2011-09-30	6589
2011-12-31	13736
2012-03-31	17472
2012-06-30	13083
2012-09-30	6775
2012-12-31	10698
2013-03-31	14472
2013-06-30	9510
2013-09-30	6148
2013-12-31	16516
2014-03-31	14190
2014-06-30	8932
2014-09-30	13305
2014-12-31	17047
2015-03-31	18552
2015-06-30	9746
2015-09-30	14879
2015-12-31	21325
2016-03-31	17508
2016-06-30	13760
2016-09-30	11852
2016-12-31	19519
2017-03-31	17999
2017-06-30	10670
2017-09-30	14245
2017-12-31	21235
2018-03-31	15376
2018-06-30	16898
2018-09-30	8718
2018-12-31	17778
2019-03-31	22762
2019-06-30	14213
2019-09-30	12206
2019-12-31	19417
2020-03-31	17317
2020-06-30	12205
2020-09-30	14994
2020-12-31	18628
2021-03-31	11930
2021-06-30	15086
2021-09-30	9621
2021-12-31	23502
2022-03-31	16661
2022-06-30	15028
2022-09-30	7630
2022-12-31	20353
2023-03-31	12842
2023-06-30	13043
2023-09-30	17284
2023-12-31	26572