Quarter	Sterling
2003-03-31	11419
2003-06-30	7143
2003-09-30	9742
2003-12-31	8590
2004-03-31	14736
2004-06-30	10768
2004-09-30	11589
2004-12-31	9721
2005-03-31	14452
2005-06-30	14316
2005-09-30	9774
2005-12-31	20988
2006-03-31	11960
2006-06-30	20745
2006-09-30	30483
2006-12-31	38396
2007-03-31	20764
2007-06-30	26439
2007-09-30	10425
2007-12-31	964
2008-03-31	-4638
2008-06-30	58202
2008-09-30	54501
2008-12-31	95620
2009-03-31	14198
2009-06-30	10075
2009-09-30	29447
2009-12-31	16281
2010-03-31	3300
2010-06-30	-22164
2010-09-30	8416
2010-12-31	-13771
2011-03-31	9003
2011-06-30	-9911
2011-09-30	1907
2011-12-31	-19431
2012-03-31	-26829
2012-06-30	-37662
2012-09-30	-5402
2012-12-31	12055
2013-03-31	-15542
2013-06-30	-259
2013-09-30	2130
2013-12-31	3996
2014-03-31	-12497
2014-06-30	15799
2014-09-30	-1962
2014-12-31	5395
2015-03-31	-24324
2015-06-30	1008
2015-09-30	-287
2015-12-31	-26656
2016-03-31	-11861
2016-06-30	8647
2016-09-30	-8652
2016-12-31	3914
2017-03-31	-6455
2017-06-30	10247
2017-09-30	3082
2017-12-31	9294
2018-03-31	6640
2018-06-30	9866
2018-09-30	7253
2018-12-31	11855
2019-03-31	-4295
2019-06-30	3214
2019-09-30	5875
2019-12-31	11418