Year Sterling (millions) 1977-12-31 164 1978-12-31 148 1979-12-31 152 1980-12-31 502 1981-12-31 278 1982-12-31 226 1983-12-31 351 1984-12-31 413 1985-12-31 581 1986-12-31 462 1987-12-31 433 1988-12-31 388 1989-12-31 67 1990-12-31 36 1991-12-31 21 1992-12-31 24 1993-12-31 0 1994-12-31 0 1995-12-31 0 1996-12-31 0