Year	Sterling (millions)
1975-12-31	2
1976-12-31	4
1977-12-31	6
1978-12-31	9
1979-12-31	10
1980-12-31	11
1981-12-31	12
1982-12-31	12
1983-12-31	15
1984-12-31	18
1985-12-31	21
1986-12-31	20
1987-12-31	21
1988-12-31	22
1989-12-31	20
1990-12-31	22
1991-12-31	19
1992-12-31	17
1993-12-31	18
1994-12-31	17
1995-12-31	18
1996-12-31	19