Year Sterling (millions) 1977-12-31 269 1978-12-31 318 1979-12-31 390 1980-12-31 470 1981-12-31 520 1982-12-31 361 1983-12-31 366 1984-12-31 442 1985-12-31 425 1986-12-31 403 1987-12-31 501 1988-12-31 207 1989-12-31 262 1990-12-31 306 1991-12-31 334 1992-12-31 236 1993-12-31 204 1994-12-31 303 1995-12-31 409 1996-12-31 303