Annual (Financial) Sterling (millions) 1971-03-31 407 1972-03-31 1067 1973-03-31 691 1974-03-31 1627 1975-03-31 1972 1976-03-31 3141 1977-03-31 5844 1978-03-31 3976 1979-03-31 5880 1980-03-31 7481 1981-03-31 7577 1982-03-31 5965 1983-03-31 3780 1984-03-31 8006 1985-03-31 8690 1986-03-31 3502 1987-03-31 3627 1988-03-31 3428 1989-03-31 -9180 1990-03-31 -8332 1991-03-31 -966 1992-03-31 2933 1993-03-31 21057 1994-03-31 24466 1995-03-31 24650 1996-03-31 11847 1997-03-31 17822 1998-03-31 11549 1999-03-31 -6888