Month	Sterling (millions)
2008-01-31	338
2008-02-29	-256
2008-03-31	-1004
2008-04-30	240
2008-05-31	-972
2008-06-30	-1803
2008-07-31	935
2008-08-31	475
2008-09-30	-1654
2008-10-31	-2478
2008-11-30	55
2008-12-31	-352
2009-01-31	724
2009-02-28	898
2009-03-31	-808
2009-04-30	-200
2009-05-31	151
2009-06-30	484
2009-07-31	353
2009-08-31	-456
2009-09-30	-704
2009-10-31	-1631
2009-11-30	-590
2009-12-31	1341