Month	Sterling (millions)
2007-10-31	198
2007-11-30	201
2007-12-31	200
2008-01-31	202
2008-02-29	203
2008-03-31	200
2008-04-30	200
2008-05-31	200
2008-06-30	201
2008-07-31	202
2008-08-31	203
2008-09-30	357
2008-10-31	0
2008-11-30	171
2008-12-31	478
2009-01-31	0
2009-02-28	169
2009-03-31	78
2009-04-30	451
2009-05-31	216
2009-06-30	266
2009-07-31	591
2009-08-31	784
2009-09-30	814
2009-10-31	373
2009-11-30	372
2009-12-31	182