Distribution of Commercial Freight according to Types of Freight (tons) Year Freight 1998 1999 2000 Gravel 185,267 189,200 228,830 Phosphates 2,162,7749 [sic] 2,204,519 2,299,351 Potassium 219,868 819,619 724,625 Coal 2,445,960 2,547,197 2,596,838 Seeds 804,431 848,953 858,901 Containers 2,803,939 2,572,204 2,801,576 Phosphoric acid 158,820 157,060 137,880 Crude oil 42,859 56,628 45,676 Sulfur 360,400 525,750 603,860 Others 24,889 23,270 875 Total 9,189,442 9,944,400 10,298,412