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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium metasilicates | $583,890 | $767,008 | $808,087 | $375,939 | $187,871 | $523,849 | $449,403 |
| Silicates of sodium other than sodiummetasilicates | $1,392,104 | $1,053,395 | $3,245,047 | $7,173,633 | $1,757,005 | $4,196,170 | $4,443,460 |
| Potsssium silicates | $907,219 | $666,414 | | | | | |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $8,382,221 | $10,226,167 | $10,298,150 | $11,850,074 | $10,180,966 | $11,376,144 | $13,466,164 |
| Total | $11,265,434 | $12,712,984 | $14,351,284 | $19,399,646 | $12,125,842 | $16,096,163 | $18,359,027 |
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