Annual (Financial) Sterling (millions) 1971-03-31 104 1972-03-31 169 1973-03-31 0 1974-03-31 346 1975-03-31 577 1976-03-31 930 1977-03-31 1551 1978-03-31 1027 1979-03-31 1773 1980-03-31 2424 1981-03-31 2231 1982-03-31 1852 1983-03-31 1694 1984-03-31 3834 1985-03-31 3673 1986-03-31 2341 1987-03-31 78 1988-03-31 -262 1989-03-31 -4101 1990-03-31 -4260 1991-03-31 -3812 1992-03-31 -2539 1993-03-31 3397 1994-03-31 4499 1995-03-31 8833 1996-03-31 7179 1997-03-31 6120 1998-03-31 16620 1999-03-31 1997