|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Nickel oxides & hydroxides | | $240,528 | $204,642 | $4,881 | | | |
| Copper oxides & hydroxides | | $156,275 | $148,975 | $378,278 | | | |
| Germanium oxides & zirconium dioxide | | $10,884 | $51,077 | $37,474 | $2,276 | $1,305 | |
| Inorganic bases other than hydrazine & hydroxylamine & their inorganic salt ... | $22,847 | $420,664 | $181,763 | $97,404 | $21,641 | $1,666 | $841 |
| Total | $22,847 | $828,351 | $586,457 | $518,037 | $23,917 | $2,971 | $841 |
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