Month	Sterling (millions)
2009-07-31	1084
2009-08-31	-550
2009-09-30	-636
2009-10-31	-857
2009-11-30	144
2009-12-31	-620
2010-01-31	-60
2010-02-28	542
2010-03-31	-1017
2010-04-30	465
2010-05-31	-166
2010-06-30	-1041
2010-07-31	-136
2010-08-31	-412
2010-09-30	651
2010-10-31	-412
2010-11-30	1799
2010-12-31	-1842