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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium metasilicates | $193,150 | $399,054 | $602,771 | $938,039 | $766,903 | $731,922 | $1,477,404 |
| Silicates of sodium other than sodiummetasilicates | $1,525,981 | $840,185 | $1,135,535 | $1,564,391 | $903,287 | $443,627 | $863,484 |
| Potsssium silicates | $120,722 | $338,891 | | | | | |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $460,208 | $1,325,083 | $3,053,342 | $1,882,495 | $4,213,304 | $6,296,348 | $5,213,599 |
| Total | $2,300,061 | $2,903,213 | $4,791,648 | $4,384,925 | $5,883,494 | $7,471,897 | $7,554,487 |
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