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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium metasilicates | $9,231 | $41,629 | $18 | $18,449 | $31,037 | | $18,360 |
| Silicates of sodium other than sodiummetasilicates | $541,883 | $565,093 | $537,604 | $629,887 | $925,283 | $657,797 | $1,067,572 |
| Potsssium silicates | $6,886 | $1,218 | $25 | | | | |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $7,207 | $12,179 | $9,793 | $153,866 | $75,205 | $91,750 | $24,852 |
| Total | $565,207 | $620,119 | $547,440 | $802,202 | $1,031,525 | $749,547 | $1,110,784 |
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