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| Sub-Chapter | 2005 | 2006 | 2007 | 2008 |
| Fluorine, chlorine, bromine and iodine. | $55,651 | $684 | $4,641 | $220 |
| Sulphur, sublimed or precipitated | $11,439 | $24,121 | $107,092 | $58,590 |
| Carbon | $27,286 | $82,753 | $35,770 | $77,555 |
| Hydrogen, rare gases and other non-metals. | $49,730 | $45,557 | $44,745 | $182,386 |
| Alkali or alkaline-earth metals; | | | | $182 |
| Hydrogen chloride (hydrochloric acid); | $1,969 | | $456 | $2,019 |
| Sulphuric acid; oleum. | | $138,948 | $1,909,730 | $4,829,771 |
| Nitric acid; sulphonitric acids. | $1,689 | $1,735 | $2,267 | $874 |
| Diphosphorus pentaoxide; phosphoric acid; | | | $6 | |
| Oxides of boron; boric acids. | | $201 | $329 | $386 |
| Other inorganic acids and oxygen compounds | $157,325 | $5,297 | $12,354 | $34,469 |
| Halides and halide oxides of non-metals. | $15,001 | $13,176 | $209,810 | $340,487 |
| Sulphides of non-metals; commercial phosphorus trisulphide. | | $11,776 | $75 | |
| Ammonia, anhydrous or in aqueous solution. | $41,127 | $60,453 | $35,337 | $58,729 |
| Sodium hydroxide (caustic soda); | $27,026 | $9,588 | $577,278 | $20,020 |
| Hydroxide and peroxide of magnesium; | | | | $30,068 |
| Zinc oxide; zinc peroxide. | $7,476 | $15,830 | | $218 |
| Artificial corundum, whether or not chemically defined; | $2,993 | $543 | $16 | |
| Chromium oxides and hydroxides. | | | | $641 |
| Manganese oxides. | | $1 | $1 | $16 |
| Iron oxides and hydroxides | | $263 | $179 | |
| Titanium oxides. | | $22 | | |
| Lead oxides; red lead and orange lead. | | $1,157 | $126 | $54 |
| Hydrazine and hydroxylamine and their inorganic salts | $2,411 | $102 | $497 | $41,502 |
| Fluorides; fluorosilicates and other complex fluorine salts. | $12,693 | $7,184 | $5,874 | $19,535 |
| Chlorides, chloride oxides and chloride hydroxides | $8,141 | $9,735 | $2,224 | $22,981 |
| Hypochlorites; commercial calcium hypochlorite | $65 | $465 | | $6,675 |
| Chlorates and perchlorates; bromates and perbromates | $4,711 | $14,352 | $100,967 | $118,825 |
| Sulphides; polysulphides | $2,847 | $18,050 | | $3,017 |
| Dithionites and sulphoxylates. | | | $890 | |
| Sulphites; thiosulphates. | $2 | $2,579 | | $166,379 |
| Sulphates; alums; peroxosulphates (persulphates). | $9 | $2,657 | $6,663 | $7,594 |
| Nitrites; nitrates. | $233 | | | $1,549,633 |
| Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates | | $80 | $578 | $2,267 |
| Carbonates; peroxocarbonates (percarbonates) | $36,623 | $69,572 | $19,328 | $59,917 |
| Cyanides, cyanide oxides and complex cyanides. | | $449 | $2,230 | |
| Silicates; commercial alkali metal silicates. | $5 | | $14 | $2,871 |
| Borates; peroxoborates (perborates). | $3 | $420 | | |
| Salts of oxometallic or peroxometallic acids. | $61 | $5,863 | $3,142 | $853 |
| Other salts of inorganic acids or peroxoacids | $781 | $415 | $609 | $15,768 |
| Colloidal precious metals | $47 | $100 | $53,310 | $3,337 |
| Radioactive chemical elements and radioactive isotopes | $146,058,610 | $87,603,113 | $68,644,835 | $552 |
| Isotopes other than those of heading 28.44 | $134 | $376 | $315 | $3,069 |
| Compounds, inorganic or organic, of rare-earth metals | $1,709 | | $7,029 | $2,729 |
| Hydrogen peroxide, whether or not solidified with urea | $16 | | $142 | $1,076 |
| Carbides, whether or not chemically defined. | | $2,293 | $527 | $171 |
| Hydrides, nitrides, azides, silicides and borides | | | $256 | $47 |
| Other inorganic compounds | $2,205 | $227 | $1,093 | |
| Total | $146,530,018 | $88,150,137 | $71,790,735 | $7,665,483 |
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