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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Sodium metasilicates | $2,210,356 | $2,724,911 | $3,348,956 | $2,457,776 | $1,074,052 | $795,461 |
| Silicates of sodium other than sodiummetasilicates | $7,337,189 | $13,779,080 | $10,929,399 | $12,951,949 | $12,362,762 | $13,050,869 |
| Potsssium silicates | $2,003,990 | $2,231,186 | | | | |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $1,939,345 | $2,729,936 | $5,116,765 | $7,010,850 | $4,847,185 | $5,118,794 |
| Total | $13,490,880 | $21,465,113 | $19,395,120 | $22,420,575 | $18,283,999 | $18,965,124 |
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