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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium metasilicates | $487,757 | $95,494 | $551,291 | $299,309 | $109,343 | $110,426 | $149,730 |
| Silicates of sodium other than sodiummetasilicates | $791,145 | $1,169,878 | $1,034,034 | $1,725,030 | $1,643,716 | $1,169,110 | $1,189,462 |
| Potsssium silicates | $48,562 | $13,550 | | | | | |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $45,361 | $84,232 | $255,008 | $302,085 | $402,902 | $566,897 | $907,240 |
| Total | $1,372,825 | $1,363,154 | $1,840,333 | $2,326,424 | $2,155,961 | $1,846,433 | $2,246,432 |
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