Quarter	Sterling
2003-03-31	14855
2003-06-30	7598
2003-09-30	12807
2003-12-31	13548
2004-03-31	20165
2004-06-30	17387
2004-09-30	23409
2004-12-31	22837
2005-03-31	25136
2005-06-30	25960
2005-09-30	27124
2005-12-31	25128
2006-03-31	27558
2006-06-30	31205
2006-09-30	28137
2006-12-31	24098
2007-03-31	26147
2007-06-30	23234
2007-09-30	31474
2007-12-31	28176
2008-03-31	45558
2008-06-30	39704
2008-09-30	41749
2008-12-31	75703
2009-03-31	55971
2009-06-30	47558
2009-09-30	45216
2009-12-31	35419
2010-03-31	39473
2010-06-30	32455
2010-09-30	40200
2010-12-31	23561
2011-03-31	26836
2011-06-30	27746
2011-09-30	23194
2011-12-31	24741
2012-03-31	30794
2012-06-30	23650
2012-09-30	18433
2012-12-31	12671
2013-03-31	14974
2013-06-30	10186
2013-09-30	13755
2013-12-31	10505
2014-03-31	11059
2014-06-30	11043
2014-09-30	11651
2014-12-31	8885
2015-03-31	11108
2015-06-30	10219
2015-09-30	7843
2015-12-31	5608
2016-03-31	7884
2016-06-30	9884
2016-09-30	11020
2016-12-31	12158
2017-03-31	19784
2017-06-30	17236
2017-09-30	18582
2017-12-31	21044
2018-03-31	24994
2018-06-30	22707
2018-09-30	21448
2018-12-31	23077
2019-03-31	24558
2019-06-30	19854
2019-09-30	29994
2019-12-31	20823
