Year Sterling (millions) 1975-12-31 413 1976-12-31 535 1977-12-31 589 1978-12-31 647 1979-12-31 778 1980-12-31 908 1981-12-31 1021 1982-12-31 1304 1983-12-31 1503 1984-12-31 1722 1985-12-31 2013 1986-12-31 2079