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| Sub-Chapter | 2006 | 2007 | 2008 |
| Fluorine, chlorine, bromine and iodine. | $129,936 | $66,166 | $65,789 |
| Sulphur, sublimed or precipitated | $119,680 | | |
| Carbon | $282,821 | $363,243 | $412,279 |
| Hydrogen, rare gases and other non-metals. | $1,914,282 | $1,427,700 | $6,230,797 |
| Alkali or alkaline-earth metals; | $334,731 | $337,258 | $291,298 |
| Hydrogen chloride (hydrochloric acid); | $104,520 | $273,714 | $94,023 |
| Sulphuric acid; oleum. | $246,752 | $827,437 | $1,225,035 |
| Nitric acid; sulphonitric acids. | $1,122,984 | $758,110 | $630,784 |
| Diphosphorus pentaoxide; phosphoric acid; | $200,718 | $140,999 | $718,603 |
| Oxides of boron; boric acids. | $7,950 | $66,501 | $246,404 |
| Other inorganic acids and oxygen compounds | $1,537,404 | $661,388 | $1,698,544 |
| Halides and halide oxides of non-metals. | $834,022 | $1,427,843 | $523,317 |
| Sulphides of non-metals; commercial phosphorus trisulphide. | $85,724 | $28,392 | $172,919 |
| Ammonia, anhydrous or in aqueous solution. | $52,257 | $82,188 | $7,357 |
| Sodium hydroxide (caustic soda); | $332,913 | $3,069,183 | $3,081,744 |
| Hydroxide and peroxide of magnesium; | $2,469 | $187 | $27,857 |
| Zinc oxide; zinc peroxide. | $105,903 | $149,182 | $43,370 |
| Artificial corundum, whether or not chemically defined; | $8,963,711 | $8,553,827 | $17,496,113 |
| Chromium oxides and hydroxides. | $133,688 | $81,761 | $103,827 |
| Manganese oxides. | $241,173 | $183,508 | $337,176 |
| Iron oxides and hydroxides | $3,016,894 | $2,866,421 | $7,813,196 |
| Cobalt oxides and hydroxides | $11,843 | $211,407 | $389,848 |
| Titanium oxides. | $3,037,790 | $1,376,232 | $1,941,273 |
| Lead oxides; red lead and orange lead. | $83,993 | $117,590 | $13,140 |
| Hydrazine and hydroxylamine and their inorganic salts | $5,026,732 | $10,649,391 | $24,282,611 |
| Fluorides; fluorosilicates and other complex fluorine salts. | $234,623 | $284,633 | $114,493 |
| Chlorides, chloride oxides and chloride hydroxides | $2,733,889 | $6,456,590 | $2,220,275 |
| Hypochlorites; commercial calcium hypochlorite | $514,510 | $641,492 | $492,339 |
| Chlorates and perchlorates; bromates and perbromates | $426,677 | $512,505 | $425,394 |
| Sulphides; polysulphides | $375,271 | $522,546 | $202,610 |
| Dithionites and sulphoxylates. | $244,294 | $94,103 | $40,916 |
| Sulphites; thiosulphates. | $1,395,762 | $1,674,296 | $907,202 |
| Sulphates; alums; peroxosulphates (persulphates). | $1,477,563 | $1,909,803 | $2,160,195 |
| Nitrites; nitrates. | $932,739 | $136,015 | $328,090 |
| Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates | $977,866 | $1,610,040 | $951,376 |
| Carbonates; peroxocarbonates (percarbonates) | $8,366,973 | $14,653,848 | $20,171,689 |
| Cyanides, cyanide oxides and complex cyanides. | $17,335 | $165,147 | $33,622 |
| Fulminates, cyanates and thiocyanates. | $162 | $10,841 | |
| Silicates; commercial alkali metal silicates. | $396,285 | $472,353 | $1,512,845 |
| Borates; peroxoborates (perborates). | $1,691,995 | $1,748,444 | $1,694,586 |
| Salts of oxometallic or peroxometallic acids. | $3,014,849 | $1,710,461 | $649,147 |
| Other salts of inorganic acids or peroxoacids | $1,204,842 | $4,781,267 | $1,184,498 |
| Colloidal precious metals | $364,833 | $43,168 | $37,401 |
| Radioactive chemical elements and radioactive isotopes | $2,963,747 | $2,705,803 | $2,685,524 |
| Isotopes other than those of heading 28.44 | $142,762 | $277,520 | $305,656 |
| Compounds, inorganic or organic, of rare-earth metals | $88,451 | $19,208 | $143,991 |
| Hydrogen peroxide, whether or not solidified with urea | $358,023 | $359,641 | $818,848 |
| Carbides, whether or not chemically defined. | $400,729 | $669,007 | $1,137,164 |
| Hydrides, nitrides, azides, silicides and borides | $18,990 | $135,976 | $149,904 |
| Other inorganic compounds | $802,410 | $709,269 | $688,098 |
| Total | $57,076,470 | $76,023,604 | $106,903,167 |
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