Quarter	Sterling
2003-03-31	13639
2003-06-30	17988
2003-09-30	23966
2003-12-31	26796
2004-03-31	25122
2004-06-30	12536
2004-09-30	13871
2004-12-31	16467
2005-03-31	12864
2005-06-30	15886
2005-09-30	13033
2005-12-31	20219
2006-03-31	23811
2006-06-30	25250
2006-09-30	26206
2006-12-31	31476
2007-03-31	29336
2007-06-30	27521
2007-09-30	17112
2007-12-31	19907
2008-03-31	20894
2008-06-30	29016
2008-09-30	24242
2008-12-31	26328
2009-03-31	39434
2009-06-30	40743
2009-09-30	17004
2009-12-31	19849
2010-03-31	18309
2010-06-30	15487
2010-09-30	13995
2010-12-31	13157
2011-03-31	9724
2011-06-30	16180
2011-09-30	8013
2011-12-31	11089
2012-03-31	18372
2012-06-30	15206
2012-09-30	20341
2012-12-31	19941
2013-03-31	19024
2013-06-30	15513
2013-09-30	8843
2013-12-31	15062
2014-03-31	20153
2014-06-30	17941
2014-09-30	22870
2014-12-31	18660
2015-03-31	19479
2015-06-30	19898
2015-09-30	12253
2015-12-31	15886
2016-03-31	24261
2016-06-30	13422
2016-09-30	17191
2016-12-31	19889
2017-03-31	22825
2017-06-30	20647
2017-09-30	28067
2017-12-31	31621
2018-03-31	24527
2018-06-30	35009
2018-09-30	20269
2018-12-31	28048
2019-03-31	26182
2019-06-30	33140
2019-09-30	28791
2019-12-31	21197
2020-03-31	25211
2020-06-30	59548
2020-09-30	24307
2020-12-31	29754
2021-03-31	26566
2021-06-30	22568
2021-09-30	19546
2021-12-31	12446
2022-03-31	15029
2022-06-30	11708
2022-09-30	12545
2022-12-31	16341
2023-03-31	24628
2023-06-30	21086
2023-09-30	17504
2023-12-31	12522