Year Sterling (millions) 1975-12-31 213 1976-12-31 141 1977-12-31 120 1978-12-31 142 1979-12-31 158 1980-12-31 264 1981-12-31 318 1982-12-31 0 1983-12-31 0 1984-12-31 0 1985-12-31 0 1986-12-31 0 1987-12-31 0 1988-12-31 0 1989-12-31 0 1990-12-31 0 1991-12-31 0 1992-12-31 0 1993-12-31 0 1994-12-31 0 1995-12-31 0 1996-12-31 0