Sub-Chapter200520062007200820092010
Iron ores and concentrates  $18  $6,213
Manganese ores and concentrates    $1,518$493
Copper ores and concentrates.$18     
Lead ores and concentrates.    $1,210 
Zinc ores and concentrates.  $13$17,005$188$292
Tin ores and concentrates.     $10,903
Molybdenum ores and concentrates.     $684
Niobium, tantalum, vanadium and concentrates.    $6,716 
Precious metal ores and concentrates. $919$92   
Granulated slag from the manufacture of iron or steel.$9,152$467,368    
Slag, dross (other than granulated slag)$593,893 $698,155  $1,065,485
Ash and residues$4,191$4,365   $10,048
Total$607,254$472,652$698,278$17,005$9,632$1,094,118