|
| Sub-Chapter | 2005 | 2006 | 2007 | 2008 |
| Fluorine, chlorine, bromine and iodine. | $87 | | $47 | $2,011 |
| Hydrogen, rare gases and other non-metals. | | $2,394 | | $320 |
| Other inorganic acids and oxygen compounds | | | | $191 |
| Ammonia, anhydrous or in aqueous solution. | | | $3,045 | |
| Borates; peroxoborates (perborates). | | | $284 | |
| Total | $87 | $2,394 | $3,376 | $2,522 |
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