In 2003, industrial roundwood output from the Souths forests totaled 8.2 billion cubic feet, 6 percent less than in 1999. Mill byproducts generated from primary manufacturers increased 1 percent to 3.2 billion cubic feet. Almost all plant residues were used primarily for fuel and fiber products. Saw logs were the leading roundwood product at 3.7 billion cubic feet; pulpwood ranked second at 3.3 billion cubic feet; veneer logs were third at 830 million cubic feet. The number of primary processing plants declined from 2,551 in 1999 to 2,281 in 2003. Total receipts declined 5 percent to 8.3 billion cubic feet.