Month	Sterling (millions)
1986-10-31	32
1986-11-30	32
1986-12-31	34
1987-01-31	18
1987-02-28	25
1987-03-31	23
1987-04-30	74
1987-05-31	91
1987-06-30	253
1987-07-31	58
1987-08-31	87
1987-09-30	149
1987-10-31	126
1987-11-30	331
1987-12-31	30