Month	Sterling (millions)
2009-07-31	448
2009-08-31	-397
2009-09-30	-701
2009-10-31	-1017
2009-11-30	-604
2009-12-31	-890
2010-01-31	-324
2010-02-28	451
2010-03-31	-498
2010-04-30	195
2010-05-31	-106
2010-06-30	-1076
2010-07-31	-355
2010-08-31	-553
2010-09-30	-342
2010-10-31	-231
2010-11-30	504
2010-12-31	-1030