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 3 1977-03-31 87 1978-03-31 -20 1979-03-31 -59 1980-03-31 9 1981-03-31 -73 1982-03-31 -25 1983-03-31 2 1984-03-31 74 1985-03-31 -8 1986-03-31 51 1987-03-31 -51 1988-03-31 133 1989-03-31 442 1990-03-31 -552 1991-03-31 63 1992-03-31 -69 1993-03-31 -4 1994-03-31 15 1995-03-31 -15 1996-03-31 83 1997-03-31 -91 1998-03-31 0 1999-03-31 105