Year Sterling (millions) 1975-12-31 378 1976-12-31 395 1977-12-31 691 1978-12-31 525 1979-12-31 678 1980-12-31 933 1981-12-31 988 1982-12-31 1386 1983-12-31 1030 1984-12-31 1150 1985-12-31 1128 1986-12-31 1320