Month	Sterling (millions)
2009-07-31	252
2009-08-31	-172
2009-09-30	-445
2009-10-31	-604
2009-11-30	-299
2009-12-31	-611
2010-01-31	-98
2010-02-28	313
2010-03-31	-546
2010-04-30	154
2010-05-31	-295
2010-06-30	-652
2010-07-31	-340
2010-08-31	-175
2010-09-30	-690
2010-10-31	-174
2010-11-30	489
2010-12-31	-993