Year Sterling (millions) 1975-12-31 2863 1976-12-31 4153 1977-12-31 4451 1978-12-31 4773 1979-12-31 5364 1980-12-31 5854 1981-12-31 6386 1982-12-31 8097 1983-12-31 8120 1984-12-31 9500 1985-12-31 8133 1986-12-31 7873