Year	Sterling (millions)
1975-12-31	27
1976-12-31	28
1977-12-31	27
1978-12-31	29
1979-12-31	28
1980-12-31	51
1981-12-31	81
1982-12-31	71
1983-12-31	74
1984-12-31	122
1985-12-31	175
1986-12-31	247