|
| Sub-Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Fluorine, chlorine, bromine and iodine. | | | | | | $5,041 | $20,834 |
| Carbon | | $98 | | $99 | | | |
| Hydrogen, rare gases and other non-metals. | $5,624 | $3,791 | $3,718 | $1,671 | $3,900 | | $42,551 |
| Alkali or alkaline-earth metals; | | | | | | $4,000 | $850 |
| Sulphuric acid; oleum. | | | | $76 | | | |
| Other inorganic acids and oxygen compounds | $881 | $2,730 | $445 | | | | |
| Ammonia, anhydrous or in aqueous solution. | | | $793 | $2,730 | $1,629 | | |
| Sodium hydroxide (caustic soda); | $230 | $677 | $272 | $148,423 | $497,280 | | $24,794 |
| Artificial corundum, whether or not chemically defined; | | | | $4,650,245 | | | |
| Hypochlorites; commercial calcium hypochlorite | | | | | $229 | | $236 |
| Sulphates; alums; peroxosulphates (persulphates). | | | | | | | $51,363 |
| Carbonates; peroxocarbonates (percarbonates) | $845 | $989 | $1,093 | $1,196 | $2,263 | | $5,138 |
| Salts of oxometallic or peroxometallic acids. | | | | | | | $100 |
| Radioactive chemical elements and radioactive isotopes | | | | | $1,750 | $100 | $57,864 |
| Isotopes other than those of heading 28.44 | | | | | | | $18,600 |
| Compounds, inorganic or organic, of rare-earth metals | | | | | | | $675 |
| Other inorganic compounds | | $33 | $14 | | | | |
| Total | $7,580 | $8,318 | $6,335 | $4,804,440 | $507,051 | $9,141 | $223,005 |
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