|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon dioxide | | $18 | $54 | $72 | $31,636 | $14,772 | $82 |
| Silicon dioxide | $2,260 | | | $7,249 | | | |
| Inorganic oxygen comps. of non-metals other than inorganic acids/carbon dio ... | $60,000 | $60,000 | | $43,680 | $74,140 | $192,020 | $91,825 |
| Total | $62,260 | $60,018 | $54 | $51,001 | $105,776 | $206,792 | $91,907 |
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