Year	Sterling (millions)
1975-12-31	15
1976-12-31	21
1977-12-31	19
1978-12-31	22
1979-12-31	32
1980-12-31	45
1981-12-31	16
1982-12-31	0
1983-12-31	0
1984-12-31	0
1985-12-31	0
1986-12-31	0