Annual (Financial) Sterling (millions) 1971-03-31 64 1972-03-31 102 1973-03-31 54 1974-03-31 44 1975-03-31 141 1976-03-31 -42 1977-03-31 467 1978-03-31 667 1979-03-31 195 1980-03-31 665 1981-03-31 688 1982-03-31 64 1983-03-31 662 1984-03-31 911 1985-03-31 1046 1986-03-31 1154 1987-03-31 2365 1988-03-31 2503 1989-03-31 516 1990-03-31 -2952 1991-03-31 -1927 1992-03-31 5777 1993-03-31 1315 1994-03-31 11307 1995-03-31 -2074 1996-03-31 5623 1997-03-31 8771 1998-03-31 2348 1999-03-31 2009