Quarter	Sterling
2003-03-31	7033
2003-06-30	6690
2003-09-30	7437
2003-12-31	7335
2004-03-31	12411
2004-06-30	11395
2004-09-30	11280
2004-12-31	7102
2005-03-31	6089
2005-06-30	7535
2005-09-30	7708
2005-12-31	8697
2006-03-31	15144
2006-06-30	15737
2006-09-30	15677
2006-12-31	16567
2007-03-31	20645
2007-06-30	19697
2007-09-30	19091
2007-12-31	22987
2008-03-31	22407
2008-06-30	19676
2008-09-30	18174
2008-12-31	20762
2009-03-31	17101
2009-06-30	10984
2009-09-30	10657
2009-12-31	11362
2010-03-31	10811
2010-06-30	11719
2010-09-30	11070
2010-12-31	7300
2011-03-31	9405
2011-06-30	7712
2011-09-30	9313
2011-12-31	12565
2012-03-31	15393
2012-06-30	12489
2012-09-30	13190
2012-12-31	16207
2013-03-31	11953
2013-06-30	12851
2013-09-30	13032
2013-12-31	14028
2014-03-31	13637
2014-06-30	12488
2014-09-30	12281
2014-12-31	15288
2015-03-31	14834
2015-06-30	14321
2015-09-30	14688
2015-12-31	11704
2016-03-31	13247
2016-06-30	14651
2016-09-30	10076
2016-12-31	11765
2017-03-31	17293
2017-06-30	16688
2017-09-30	16411
2017-12-31	17658
2018-03-31	7629
2018-06-30	8129
2018-09-30	9187
2018-12-31	9360
2019-03-31	8496
2019-06-30	9383
2019-09-30	13952
2019-12-31	9172
2020-03-31	9485
2020-06-30	18401
2020-09-30	9523
2020-12-31	6558
2021-03-31	8025
2021-06-30	9101
2021-09-30	7229
2021-12-31	6673
2022-03-31	9478
2022-06-30	9483
2022-09-30	10980
2022-12-31	14840
2023-03-31	12712
2023-06-30	16140
2023-09-30	13977
2023-12-31	15682