asked the Chancellor of the Exchequer whether, further to his Written Answer to the hon. Member for Blaby on 5th December 1977, column 571, he will publish indices of the prices in: (a) £ sterling and (b) dollars of United Kingdom imports of food, agricultural non-food items, raw materials, including fuels and processed materials between the second quarter of 1970 and the first quarter of 1974, and between the first quarter of 1974 and the second quarter of 1977; and if he will estimate the approximate contribution to changes in the index of retail prices of the changes in the indices in each of the periods from the second quarter of 1970 to the first quarter of 1974, and from the first quarter of 1974 to the second quarter of 1977.
Import price indices are not available for the categories specified.