§ 31. Mr. de Freitasasked the Chancellor of the Exchequer whether he is aware that, taking the internal purchasing value of the £ sterling at 20s. in October, 1951, it had declined to 19s. 5d. in February, 1952, 18s. 5d. in February, 1954, and 16s. Md. in February, 1956; and what was the comparable figure for February, 1958.