Month	Pound Sterling
2008-01-31	4345
2008-02-29	4731
2008-03-31	3973
2008-04-30	4124
2008-05-31	3592
2008-06-30	3774
2008-07-31	4037
2008-08-31	3353
2008-09-30	3654
2008-10-31	3767
2008-11-30	4546
2008-12-31	3392
2009-01-31	3479
2009-02-28	2347
2009-03-31	2610
2009-04-30	2573
2009-05-31	1889
2009-06-30	2114
2009-07-31	2197
2009-08-31	2513
2009-09-30	1980
2009-10-31	2248
2009-11-30	1951
2009-12-31	1667