Month	Sterling (millions)
2009-07-31	30
2009-08-31	9
2009-09-30	17
2009-10-31	101
2009-11-30	52
2009-12-31	51
2010-01-31	-6
2010-02-28	-37
2010-03-31	-82
2010-04-30	-13
2010-05-31	220
2010-06-30	491
2010-07-31	-599
2010-08-31	-71
2010-09-30	-22
2010-10-31	54
2010-11-30	-29
2010-12-31	-235