Year Sterling (millions) 1975-12-31 61 1976-12-31 46 1977-12-31 63 1978-12-31 42 1979-12-31 29 1980-12-31 31 1981-12-31 37 1982-12-31 68 1983-12-31 67 1984-12-31 86 1985-12-31 92 1986-12-31 148