Month Sterling (millions) 2008-01-31 337 2008-02-29 337 2008-03-31 337 2008-04-30 337 2008-05-31 337 2008-06-30 263 2008-07-31 269 2008-08-31 269 2008-09-30 269 2008-10-31 269 2008-11-30 283 2008-12-31 289 2009-01-31 284 2009-02-28 284 2009-03-31 284 2009-04-30 282 2009-05-31 307 2009-06-30 310 2009-07-31 310 2009-08-31 287 2009-09-30 287 2009-10-31 287 2009-11-30 290 2009-12-31 287