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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Sodium metasilicates | $2,334,360 | $1,440,258 | $2,414,004 | $4,589,459 | $3,598,602 | $3,643,223 |
| Silicates of sodium other than sodiummetasilicates | $5,191,815 | $4,759,364 | $6,785,657 | $11,735,574 | $4,840,535 | $9,822,685 |
| Potsssium silicates | $363,045 | $1,035,703 | | | | |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $5,918,335 | $6,785,584 | $6,544,054 | $5,421,090 | $4,844,543 | $4,747,860 |
| Total | $13,807,555 | $14,020,909 | $15,743,715 | $21,746,123 | $13,283,680 | $18,213,768 |
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