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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium metasilicates | $11,928 | $27,352 | $73,239 | $121,229 | $110,078 | $106,246 | $88,957 |
| Silicates of sodium other than sodiummetasilicates | $185,915 | $300,290 | $418,274 | $731,395 | $470,595 | $541,977 | $1,004,942 |
| Potsssium silicates | $85,704 | $433,203 | $352,829 | $560,720 | $813,800 | $1,121,278 | |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $907,636 | $766,921 | $599,546 | $794,320 | $557,216 | $698,574 | $1,744,630 |
| Total | $1,191,183 | $1,527,766 | $1,443,888 | $2,207,664 | $1,951,689 | $2,468,075 | $2,838,529 |
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