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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Aluminates | $8,209,783 | $7,925,930 | | | | |
| Sodium dichromate | $9,762 | $361 | $5,407 | $42,198 | $12,178 | $18,446 |
| Tungstates (wolframates) | | $766,950 | | $1,349 | $47 | $4,530 |
| Salts of oxymetallic/peroxymetallic acids (excl. of 2841.10-2841.80) | $8,851,649 | $10,674,548 | $7,224,172 | $6,687,182 | $2,790,399 | $5,859,303 |
| Total | $17,071,194 | $19,367,789 | $7,229,579 | $6,730,729 | $2,802,624 | $5,882,279 |
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