Year Sterling (millions) 1975-12-31 570 1976-12-31 770 1977-12-31 682 1978-12-31 976 1979-12-31 1286 1980-12-31 1555 1981-12-31 2399 1982-12-31 2689 1983-12-31 2929 1984-12-31 3250 1985-12-31 3041 1986-12-31 3890 1987-12-31 3659 1988-12-31 4165 1989-12-31 4244 1990-12-31 4398 1991-12-31 3054 1992-12-31 3395 1993-12-31 3615 1994-12-31 3305 1995-12-31 2429 1996-12-31 1610