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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium metasilicates | | | | | | | $13,656,378 |
| Silicates of sodium other than sodiummetasilicates | $16,788,438 | $20,749,150 | $16,040,101 | $9,198,706 | $7,391,790 | $9,674,740 | $11,274,826 |
| Potsssium silicates | $302,131 | $101,647 | | | | | |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $2,831,894 | $3,283,314 | $4,254,677 | $5,995,472 | $5,153,212 | $6,267,310 | $8,191,537 |
| Total | $19,922,463 | $24,134,111 | $20,294,778 | $15,194,178 | $12,545,002 | $15,942,050 | $33,122,741 |
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