Sub-Chapter200520072008200920102011
Iron ores and concentrates$500$21,000$1,404$500$1,080,176$6,015,600
Copper ores and concentrates.    $506,172$5,494,004
Precious metal ores and concentrates.     $410
Slag, dross (other than granulated slag) $6,000$4,000$5,400$20,050$28,250
Ash and residues $62,600$2,786,713$70,200 $229,076
Total$500$89,600$2,792,117$76,100$1,606,398$11,767,340