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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium metasilicates | $58,625 | $35,194 | $86,194 | $122,585 | $98,460 | $98,690 | $112,926 |
| Silicates of sodium other than sodiummetasilicates | $25,545,546 | $30,749,727 | $32,713,572 | $36,348,815 | $34,784,563 | $34,347,338 | $36,375,183 |
| Potsssium silicates | $719,649 | $633,721 | | | | | |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $14,499 | $65,506 | $806,749 | $2,027,521 | $1,871,006 | $2,560,333 | $3,497,043 |
| Total | $26,338,319 | $31,484,148 | $33,606,515 | $38,498,921 | $36,754,029 | $37,006,361 | $39,985,152 |
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