Constant price estimates (1951 prices) exist but only for the expenditure side of the
gross domestic product. The data in Table 4d. i to iv are at 1959 prices but it was not
possible on all occasions to eliminate the price element. A great deal of information is
collected annually (for example, growers' and retail prices, wage rates, export and im-
port prices); consequently, it is not felt that the errors involved in eliminating the mone-
tary movements are large.