|
| Commodity | 2005 | 2006 | 2008 | 2009 | 2010 | 2011 |
| Bentonite | $6,826 | $6,929 | $8,485 | | $3,829 | |
| Fire-clay | $13,808 | $40,040 | | | | |
| Clays other than expanded clays of 68.06 (excl. of 2507.00 & 2508.10-2508.3 ... | $4,615 | $4,445 | $8,676 | $2,531 | $6,071 | $354 |
| Total | $25,249 | $51,414 | $17,161 | $2,531 | $9,900 | $354 |
|
|
