Month	Sterling (millions)
2009-07-31	147
2009-08-31	379
2009-09-30	230
2009-10-31	162
2009-11-30	358
2009-12-31	304
2010-01-31	212
2010-02-28	490
2010-03-31	293
2010-04-30	276
2010-05-31	511
2010-06-30	299
2010-07-31	296
2010-08-31	431
2010-09-30	303
2010-10-31	369
2010-11-30	351
2010-12-31	331