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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium metasilicates | $1,905,072 | $1,949,931 | $2,164,925 | $1,955,796 | $1,432,351 | $1,481,313 | $1,538,163 |
| Silicates of sodium other than sodiummetasilicates | $6,555,384 | $6,936,888 | $3,658,946 | $2,708,404 | $4,358,178 | $2,940,745 | $2,822,035 |
| Potsssium silicates | $387,799 | $307,738 | | | | | |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $5,220,629 | $2,919,622 | $2,502,795 | $2,228,789 | $2,708,295 | $2,540,351 | $3,771,868 |
| Total | $14,068,884 | $12,114,179 | $8,326,666 | $6,892,989 | $8,498,824 | $6,962,409 | $8,132,066 |
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