From 1959 to 1991,a total of 1.388 million tons of grain,2.815 million tons of refined oil and 4.58 billion yuan worth of manufactured goods,weighing over 10 million tons in total,were hauled in from the hinterland.

• 1959年到1991年，从内地共调进粮食138.；8万吨，石油成品油281