Annual (Financial) Sterling (millions) 1971-03-31 0 1972-03-31 0 1973-03-31 0 1974-03-31 0 1975-03-31 0 1976-03-31 0 1977-03-31 0 1978-03-31 0 1979-03-31 0 1980-03-31 0 1981-03-31 0 1982-03-31 2 1983-03-31 817 1984-03-31 0 1985-03-31 0 1986-03-31 -5 1987-03-31 332 1988-03-31 3 1989-03-31 0 1990-03-31 0 1991-03-31 0 1992-03-31 0 1993-03-31 0 1994-03-31 0 1995-03-31 0 1996-03-31 0 1997-03-31 0 1998-03-31 0 1999-03-31 0