The graphs summarising the number of items of correspondence and parcels show two major trends shaping the postal industry: the letters market is shrinking due to e-substitution, while parcel traffic is growing. Although the rate of growth in parcels considerably exceeds the rate of decline in items of correspondence, it still cannot make of for lost revenues on its own due to its modest share of the turnover; therefore, items of correspondence are expected to become more expensive in the medium term.
Looking at the process in terms of turnover, it is apparent that the market for items of correspondence is stagnant, so price hikes mostly helped avoid nominal decline. Still, the market has shrunk in real terms. The growth rate of parcel turnover fell short of the increase in volumes, meaning that the upswing in parcel traffic pushed down unit prices.