Commodity200520062007200820092010
Bentonite$2,696$527$272,281$443,463$215,716$664,024
Fire-clay   $22,169  
Clays other than expanded clays of 68.06 (excl. of 2507.00 & 2508.10-2508.3 ...$1,904$206$92,520$119,773$22,625$9,624
Total$4,600$733$364,801$585,405$238,341$673,648