Year	Sterling (millions)
1975-12-31	6
1976-12-31	13
1977-12-31	10
1978-12-31	9
1979-12-31	23
1980-12-31	5
1981-12-31	7
1982-12-31	17
1983-12-31	7
1984-12-31	13
1985-12-31	12
1986-12-31	6