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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium metasilicates | $45,778 | $78,850 | $37,358 | $66,879 | $48,860 | $26,941 | $18,715 |
| Silicates of sodium other than sodiummetasilicates | $22,067 | $44,079 | $95,140 | $24,140 | $109,706 | $142,380 | $225,850 |
| Potsssium silicates | $2,504 | | | | | | |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $3,884 | $14,005 | $76,845 | $3,303 | $70,572 | $59,678 | $28,638 |
| Total | $74,233 | $136,934 | $209,343 | $94,322 | $229,138 | $228,999 | $273,203 |
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