Year Sterling (millions) 1977-12-31 4218 1978-12-31 4436 1979-12-31 5150 1980-12-31 5705 1981-12-31 6143 1982-12-31 7023 1983-12-31 7373 1984-12-31 8879 1985-12-31 8870 1986-12-31 12614 1987-12-31 13967 1988-12-31 14583 1989-12-31 15383 1990-12-31 18070 1991-12-31 17356 1992-12-31 16426 1993-12-31 17135 1994-12-31 16477 1995-12-31 17613 1996-12-31 19830