Year Sterling (millions) 1977-12-31 406 1978-12-31 460 1979-12-31 498 1980-12-31 554 1981-12-31 625 1982-12-31 716 1983-12-31 836 1984-12-31 917 1985-12-31 995 1986-12-31 1145 1987-12-31 1266 1988-12-31 1407 1989-12-31 1560 1990-12-31 1678 1991-12-31 1840 1992-12-31 2084 1993-12-31 2186 1994-12-31 2456 1995-12-31 2576 1996-12-31 2717