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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 |
| Sodium metasilicates | $5,450,692 | $2,562,403 | $472,607 | $13,770 | $2,426,470 |
| Silicates of sodium other than sodiummetasilicates | $1,698,745 | $1,391,836 | $170,079 | $119,375 | $2,032,932 |
| Potsssium silicates | | $22,632 | | | |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $1,824,581 | $2,601,674 | $212,148 | $92,467 | $1,655,575 |
| Total | $8,974,018 | $6,578,545 | $854,834 | $225,612 | $6,114,977 |
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