|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Hydrazine & hydroxylamine & their inorganic salts | | | | | | $1,604 |
| Copper oxides & hydroxides | | | $680 | | | |
| Germanium oxides & zirconium dioxide | $1,536 | | | | | |
| Inorganic bases other than hydrazine & hydroxylamine & their inorganic salt ... | $19,872 | $243,357 | $93,914 | $15,177 | $96,421 | |
| Total | $21,408 | $243,357 | $94,594 | $15,177 | $96,421 | $1,604 |
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