Year Sterling (millions) 1975-12-31 0 1976-12-31 1 1977-12-31 1 1978-12-31 1 1979-12-31 1 1980-12-31 1 1981-12-31 1 1982-12-31 1 1983-12-31 1 1984-12-31 2 1985-12-31 2 1986-12-31 3 1987-12-31 3 1988-12-31 3 1989-12-31 3 1990-12-31 3 1991-12-31 4 1992-12-31 3 1993-12-31 2 1994-12-31 1 1995-12-31 2 1996-12-31 2