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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Sodium metasilicates | $1,169,686 | $1,034,206 | $1,475,158 | $1,233,470 | $828,050 | $803,237 |
| Silicates of sodium other than sodiummetasilicates | $142,041 | $203,632 | $248,433 | $306,831 | $1,239,285 | $1,084,627 |
| Potsssium silicates | $223,420 | $348,129 | $426,210 | $572,380 | $420,140 | $545,662 |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $449,072 | $818,497 | $865,223 | $868,941 | $1,266,535 | $1,236,256 |
| Total | $1,984,219 | $2,404,464 | $3,015,024 | $2,981,622 | $3,754,010 | $3,669,782 |
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