Month	Sterling (millions)
2009-07-31	385
2009-08-31	-277
2009-09-30	-138
2009-10-31	111
2009-11-30	1
2009-12-31	426
2010-01-31	-195
2010-02-28	-115
2010-03-31	1197
2010-04-30	318
2010-05-31	390
2010-06-30	-282
2010-07-31	-713
2010-08-31	608
2010-09-30	86
2010-10-31	-242
2010-11-30	534
2010-12-31	621