Year Sterling (millions) 1986-12-31 5 1987-12-31 2 1988-12-31 2 1989-12-31 4 1990-12-31 4 1991-12-31 3 1992-12-31 4 1993-12-31 3 1994-12-31 3 1995-12-31 4 1996-12-31 6