Month	Sterling (millions)
2009-07-31	-172
2009-08-31	91
2009-09-30	-143
2009-10-31	97
2009-11-30	65
2009-12-31	231
2010-01-31	-416
2010-02-28	977
2010-03-31	-266
2010-04-30	1
2010-05-31	-46
2010-06-30	55
2010-07-31	-89
2010-08-31	611
2010-09-30	64
2010-10-31	-12
2010-11-30	255
2010-12-31	-146