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| Sub-Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Hydrogen, rare gases and other non-metals. | $8,657 | $21,637 | $49,840 | $92,130 | $140,268 | $86,119 | $63,799 |
| Alkali or alkaline-earth metals; | | | | $6,120 | | | |
| Hydrogen chloride (hydrochloric acid); | | $4,530 | | | | | |
| Sulphuric acid; oleum. | | | | $6,300 | | | |
| Diphosphorus pentaoxide; phosphoric acid; | | | $44,194 | | | | |
| Other inorganic acids and oxygen compounds | | | $5,966 | | | | $34,043 |
| Ammonia, anhydrous or in aqueous solution. | | | | | $2,500 | $1,200 | $200 |
| Chromium oxides and hydroxides. | | | | | | $1,440 | |
| Lead oxides; red lead and orange lead. | | | | | | $1,350 | |
| Chlorides, chloride oxides and chloride hydroxides | | | | $182,800 | $812,200 | $259,500 | $313,753 |
| Sulphates; alums; peroxosulphates (persulphates). | $110 | $882 | $2,724 | | | | |
| Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates | $243 | $3,097 | $6,688 | $100 | | | |
| Carbonates; peroxocarbonates (percarbonates) | | | | $504,000 | $238 | $10 | |
| Borates; peroxoborates (perborates). | | | $5,000 | | | | |
| Colloidal precious metals | | | $5,000 | | | | $2,000 |
| Radioactive chemical elements and radioactive isotopes | $650 | $300 | $1,600 | | $2,000 | $2,000 | |
| Isotopes other than those of heading 28.44 | | $7,074 | | | | | |
| Other inorganic compounds | $8,000 | $24,000 | | $1,536 | $255,195 | $67 | $22,949 |
| Total | $17,660 | $61,520 | $121,012 | $792,986 | $1,212,401 | $351,686 | $436,744 |
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