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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium metasilicates | $3,568,416 | $4,903,629 | $4,476,507 | $4,018,734 | $4,927,230 | $5,470,512 | $5,454,325 |
| Silicates of sodium other than sodiummetasilicates | $13,803,467 | $11,740,746 | $9,489,910 | $8,335,859 | $8,017,610 | $6,773,648 | $9,323,848 |
| Potsssium silicates | $315,669 | $164,961 | | | | | |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $2,883,653 | $1,890,899 | $2,890,102 | $4,355,333 | $4,359,380 | $3,525,670 | $4,312,200 |
| Total | $20,571,205 | $18,700,235 | $16,856,519 | $16,709,926 | $17,304,220 | $15,769,830 | $19,090,373 |
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