Quarter	Sterling (millions)
1997-12-31	80
1998-03-31	97
1998-06-30	167
1998-09-30	332
1998-12-31	146
1999-03-31	110
1999-06-30	146
1999-09-30	74
1999-12-31	40
2000-03-31	58
2000-06-30	116
2000-09-30	34
2000-12-31	50
2001-03-31	60
2001-06-30	148
2001-09-30	113
2001-12-31	72
2002-03-31	69
2002-06-30	111
2002-09-30	42
2002-12-31	22
2003-03-31	33
2003-06-30	116
2003-09-30	175
2003-12-31	545
2004-03-31	313
2004-06-30	470
2004-09-30	485
2004-12-31	741
2005-03-31	505
2005-06-30	1453
2005-09-30	1634
2005-12-31	819
2006-03-31	518
2006-06-30	496
2006-09-30	566
2006-12-31	754
2007-03-31	852
2007-06-30	1374
2007-09-30	1874
2007-12-31	2273
2008-03-31	3062
2008-06-30	1651
2008-09-30	2205
2008-12-31	784
2009-03-31	1302
2009-06-30	1268
2009-09-30	1122
2009-12-31	1508
2010-03-31	2359
2010-06-30	1066
2010-09-30	413
2010-12-31	429
2011-03-31	303
2011-06-30	384
2011-09-30	689
2011-12-31	404
2012-03-31	355
2012-06-30	1043
2012-09-30	859
2012-12-31	755
2013-03-31	355
2013-06-30	257
2013-09-30	95
2013-12-31	127
2014-03-31	98
2014-06-30	66
2014-09-30	312
2014-12-31	249
2015-03-31	280
2015-06-30	190
2015-09-30	382
2015-12-31	406
2016-03-31	849
2016-06-30	1570
2016-09-30	1070
2016-12-31	1031
2017-03-31	169
2017-06-30	174
2017-09-30	194
2017-12-31	222
2018-03-31	189
2018-06-30	1131
2018-09-30	179
2018-12-31	565