Month	Sterling (millions)
2007-10-31	583
2007-11-30	599
2007-12-31	453
2008-01-31	426
2008-02-29	399
2008-03-31	373
2008-04-30	352
2008-05-31	331
2008-06-30	310
2008-07-31	345
2008-08-31	380
2008-09-30	415
2008-10-31	474
2008-11-30	532
2008-12-31	591
2009-01-31	676
2009-02-28	758
2009-03-31	841
2009-04-30	660
2009-05-31	478
2009-06-30	297
2009-07-31	299
2009-08-31	301
2009-09-30	303
2009-10-31	329
2009-11-30	355
2009-12-31	380