Year Sterling (millions) 1977-12-31 1334 1978-12-31 1423 1979-12-31 1489 1980-12-31 1591 1981-12-31 1612 1982-12-31 1586 1983-12-31 1938 1984-12-31 2006 1985-12-31 2313 1986-12-31 2608 1987-12-31 2994 1988-12-31 3405 1989-12-31 3890 1990-12-31 3956 1991-12-31 3920 1992-12-31 4454 1993-12-31 4711 1994-12-31 4983 1995-12-31 5357 1996-12-31 4812