Annual (Financial) Sterling (millions) 1971-03-31 227 1972-03-31 324 1973-03-31 -123 1974-03-31 60 1975-03-31 293 1976-03-31 677 1977-03-31 -65 1978-03-31 918 1979-03-31 299 1980-03-31 847 1981-03-31 1281 1982-03-31 1189 1983-03-31 814 1984-03-31 1760 1985-03-31 671 1986-03-31 -702 1987-03-31 -2115 1988-03-31 -414 1989-03-31 -432 1990-03-31 -1965 1991-03-31 -963 1992-03-31 -45 1993-03-31 1258 1994-03-31 1228 1995-03-31 43 1996-03-31 851 1997-03-31 266 1998-03-31 367 1999-03-31 -85