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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Sodium metasilicates | $39,697 | $48,657 | $1,622 | $28,224 | $5,057 | $8,170 |
| Silicates of sodium other than sodiummetasilicates | $1,864,643 | $2,472,745 | $1,945,348 | $2,781,050 | $2,718,914 | $3,532,515 |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $374,371 | $76,532 | $7,855 | $18,079 | $63,507 | $29,639 |
| Total | $2,278,711 | $2,597,934 | $1,954,825 | $2,827,353 | $2,787,478 | $3,570,324 |
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