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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium metasilicates | $25,083 | $12,931 | $15,365 | $17,649 | $25,254 | $35,842 | $27,042 |
| Silicates of sodium other than sodiummetasilicates | $107,473 | $168,238 | $371,833 | $627,126 | $610,949 | $1,075,573 | $1,116,537 |
| Potsssium silicates | $10,931 | $418 | | | | | |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $710,623 | $137,715 | $92,999 | $374,158 | $77,430 | $106,287 | $225,896 |
| Total | $854,110 | $319,302 | $480,197 | $1,018,933 | $713,633 | $1,217,702 | $1,369,475 |
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