Year Sterling (millions) 1975-12-31 496 1976-12-31 547 1977-12-31 783 1978-12-31 904 1979-12-31 1210 1980-12-31 1400 1981-12-31 1504 1982-12-31 1613 1983-12-31 1557 1984-12-31 1677 1985-12-31 1625 1986-12-31 2451 1987-12-31 3027 1988-12-31 7698 1989-12-31 12052 1990-12-31 11372 1991-12-31 9426 1992-12-31 11916 1993-12-31 5151 1994-12-31 6167 1995-12-31 6527 1996-12-31 3891