Quarter	Sterling
1997-12-31	41231
1998-03-31	45254
1998-06-30	46819
1998-09-30	46385
1998-12-31	46247
1999-03-31	49479
1999-06-30	51436
1999-09-30	52250
1999-12-31	52711
2000-03-31	57520
2000-06-30	60286
2000-09-30	61538
2000-12-31	60348
2001-03-31	63286
2001-06-30	67274
2001-09-30	66767
2001-12-31	63558
2002-03-31	69154
2002-06-30	71141
2002-09-30	71877
2002-12-31	70989
2003-03-31	76993
2003-06-30	77197
2003-09-30	77300
2003-12-31	76731
2004-03-31	80409
2004-06-30	83962
2004-09-30	85221
2004-12-31	82820
2005-03-31	88791
2005-06-30	96002
2005-09-30	95941
2005-12-31	96900
2006-03-31	104646
2006-06-30	110366
2006-09-30	113612
2006-12-31	113658
2007-03-31	120119
2007-06-30	123979
2007-09-30	125980
2007-12-31	123626
2008-03-31	128184
2008-06-30	127702
2008-09-30	123747
2008-12-31	121623
2009-03-31	129391
2009-06-30	130682
2009-09-30	127442
2009-12-31	128596
2010-03-31	132269
2010-06-30	131841
2010-09-30	133863
2010-12-31	131867
2011-03-31	120914
2011-06-30	122864
2011-09-30	117470
2011-12-31	113654
2012-03-31	116382
2012-06-30	119391
2012-09-30	121921
2012-12-31	120227
2013-03-31	124247
2013-06-30	133667
2013-09-30	123978
2013-12-31	125871
2014-03-31	130490
2014-06-30	135827
2014-09-30	135799
2014-12-31	134038
2015-03-31	143467
2015-06-30	146468
2015-09-30	151214
2015-12-31	149758
2016-03-31	161471
2016-06-30	160736
2016-09-30	161486
2016-12-31	161726
2017-03-31	166151
2017-06-30	174981
2017-09-30	176467
2017-12-31	177270
2018-03-31	179375
2018-06-30	188001
2018-09-30	189578
2018-12-31	188812
2019-03-31	188242
2019-06-30	189804
2019-09-30	190858
2019-12-31	190388
2020-03-31	197731
2020-06-30	214101
2020-09-30	224186
2020-12-31	227984
2021-03-31	237117
2021-06-30	245074
2021-09-30	242917
2021-12-31	246698
2022-03-31	257979
2022-06-30	259997
2022-09-30	260314
2022-12-31	249521
2023-03-31	244495
2023-06-30	239721
2023-09-30	236684
2023-12-31	233488