Year	Sterling (millions)
1975-12-31	27
1976-12-31	40
1977-12-31	64
1978-12-31	78
1979-12-31	126
1980-12-31	181
1981-12-31	272
1982-12-31	512
1983-12-31	840
1984-12-31	1076
1985-12-31	896
1986-12-31	1025