Month	Sterling (millions)
2009-07-31	393
2009-08-31	-264
2009-09-30	-54
2009-10-31	102
2009-11-30	157
2009-12-31	-46
2010-01-31	-88
2010-02-28	-154
2010-03-31	65
2010-04-30	230
2010-05-31	-43
2010-06-30	-1
2010-07-31	215
2010-08-31	40
2010-09-30	19
2010-10-31	84
2010-11-30	-35
2010-12-31	-107