HC Deb 04 March 1980 vol 980 c143W
Mr. Donald Stewart

asked the Chancellor of the Exchequer, taking 1970 as the base year, with the £ sterling worth loop, what was the value of the £ sterling in the year 1971 and in each succeeding year.

Sir Geoffrey Howe

Taking the average internal purchasing power of the £ sterling during 1970 as 100p, its estimated average values in succeeding years were as follows:

1971 91p
1972 85p
1973 78p
1974 67p
1975 54p
1976 47p
1977 40p
1978 37p
1979 33p

These estimates are based on movements in the general index of retail prices.