Month	Sterling (millions)
2007-10-31	3538
2007-11-30	4248
2007-12-31	5170
2008-01-31	4218
2008-02-29	4371
2008-03-31	4821
2008-04-30	4691
2008-05-31	4485
2008-06-30	4533
2008-07-31	3753
2008-08-31	4025
2008-09-30	4669
2008-10-31	4691
2008-11-30	5961
2008-12-31	5342
2009-01-31	4603
2009-02-28	4040
2009-03-31	7852
2009-04-30	6271
2009-05-31	4665
2009-06-30	7007
2009-07-31	8413
2009-08-31	8611
2009-09-30	9077
2009-10-31	18074
2009-11-30	33427
2009-12-31	41436