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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium metasilicates | $34,228 | $9,156 | $38,105 | $94,914 | $80,133 | $91,322 | $32,715 |
| Silicates of sodium other than sodiummetasilicates | $894,576 | $814,837 | $987,618 | $846,842 | $680,402 | $776,277 | $902,500 |
| Potsssium silicates | $59,155 | $91,705 | | | | | |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $32,080 | $16,698 | $243,282 | $151,268 | $94,473 | $105,173 | $205,561 |
| Total | $1,020,039 | $932,396 | $1,269,005 | $1,093,024 | $855,008 | $972,772 | $1,140,776 |
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