Edited sentence: During 2006, cargo throughput almost reached saturation level due to the limitations posed by the single line rail link with the national network.During the first six years of the new millennium, the throughput in container traffic, vehicles, timber, liquid cargos (excluding petroleum) and cereals, have all doubled, while general cargo has increased by over fifty percent.Nevertheless, Austrian clients - with 3.5 million tonnes, or a quarter of total throughput - still top the transit freight list, whilst trade with Italy, which now accounts for 15 percent of business, also grew rapidly.Over recent years the growth in container freight and vehicles has been of particular importance to the prosperity of Luka Koper, and shall remain amongst the company`s key strategic development orientations over the coming decade.The domestic market generated some 30 percent of turnover.The most intensive growth was recorded in trade with Hungary, which surpassed a million tonnes in 2006.The throughput has increased in average for 7 percent annually