Year Sterling (millions) 1975-12-31 233 1976-12-31 222 1977-12-31 238 1978-12-31 167 1979-12-31 172 1980-12-31 260 1981-12-31 232 1982-12-31 329 1983-12-31 508 1984-12-31 410 1985-12-31 243 1986-12-31 215 1987-12-31 102 1988-12-31 36 1989-12-31 70 1990-12-31 25 1991-12-31 75 1992-12-31 115 1993-12-31 55 1994-12-31 66 1995-12-31 292 1996-12-31 531