Sub-Chapter2005200620072008200920102011
Iron ores and concentrates  $443  $44$19,221
Manganese ores and concentrates    $120  
Zinc ores and concentrates.$2,339 $41,266$708 $192$161
Chromium ores and concentrates. $917     
Uranium or thorium ores and concentrates.    $237  
Precious metal ores and concentrates.      $6,520
Other ores and concentrates. $887     
Slag, dross (other than granulated slag)      $9
Ash and residues$5,553     $3,072
Total$7,892$1,804$41,709$708$357$236$28,983