Year Sterling (millions) 1975-12-31 73 1976-12-31 88 1977-12-31 110 1978-12-31 123 1979-12-31 139 1980-12-31 131 1981-12-31 227 1982-12-31 272 1983-12-31 330 1984-12-31 322 1985-12-31 346 1986-12-31 517 1987-12-31 370 1988-12-31 486 1989-12-31 528 1990-12-31 599 1991-12-31 579 1992-12-31 729 1993-12-31 500 1994-12-31 374 1995-12-31 458 1996-12-31 421