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 0 1977-03-31 0 1978-03-31 0 1979-03-31 0 1980-03-31 1 1981-03-31 0 1982-03-31 0 1983-03-31 503 1984-03-31 294 1985-03-31 313 1986-03-31 16 1987-03-31 683 1988-03-31 383 1989-03-31 343 1990-03-31 0 1991-03-31 0 1992-03-31 0 1993-03-31 0 1994-03-31 0 1995-03-31 1 1996-03-31 11 1997-03-31 0 1998-03-31 0 1999-03-31 0