Year	Sterling (millions)
1975-12-31	21
1976-12-31	17
1977-12-31	14
1978-12-31	7
1979-12-31	12
1980-12-31	6
1981-12-31	6
1982-12-31	7
1983-12-31	9
1984-12-31	2
1985-12-31	0
1986-12-31	0