|
| Sub-Chapter | 2005 | 2006 | 2007 |
| Fluorine, chlorine, bromine and iodine. | $23,200 | $35,865 | $765 |
| Carbon | $6,093 | | |
| Hydrogen, rare gases and other non-metals. | $25,464 | $6,671 | $30 |
| Alkali or alkaline-earth metals; | $34 | | $5,173 |
| Hydrogen chloride (hydrochloric acid); | $681 | $4,298 | $393 |
| Sulphuric acid; oleum. | $1,226 | $810 | $508 |
| Nitric acid; sulphonitric acids. | $886 | $1,074 | |
| Diphosphorus pentaoxide; phosphoric acid; | | $126 | |
| Oxides of boron; boric acids. | $1,480 | | |
| Other inorganic acids and oxygen compounds | | $763 | $1,957 |
| Sodium hydroxide (caustic soda); | $22 | $36,703 | $24,511 |
| Hydroxide and peroxide of magnesium; | | $9,643 | $4,817 |
| Artificial corundum, whether or not chemically defined; | $133,477 | $35,027 | $2,831 |
| Chromium oxides and hydroxides. | $36 | $8,756 | |
| Iron oxides and hydroxides | $221 | $1,654 | |
| Lead oxides; red lead and orange lead. | $334 | $212,126 | $351,293 |
| Hydrazine and hydroxylamine and their inorganic salts | $66,012 | $572,135 | $17,065 |
| Fluorides; fluorosilicates and other complex fluorine salts. | $54,116 | | $21,742 |
| Chlorides, chloride oxides and chloride hydroxides | $11 | $510 | $8,678 |
| Hypochlorites; commercial calcium hypochlorite | $246 | $935 | |
| Chlorates and perchlorates; bromates and perbromates | $28 | $53 | $1,092 |
| Sulphides; polysulphides | $7,594 | $2,331 | |
| Sulphites; thiosulphates. | $594 | $667,081 | $1,013,431 |
| Sulphates; alums; peroxosulphates (persulphates). | $14,843 | $2,949 | $114 |
| Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates | $525,141 | $3,805,026 | $516,041 |
| Carbonates; peroxocarbonates (percarbonates) | $5,044,881 | $19,673,590 | $8,465,307 |
| Silicates; commercial alkali metal silicates. | $299 | | |
| Borates; peroxoborates (perborates). | $986 | $723 | |
| Salts of oxometallic or peroxometallic acids. | | $9 | |
| Other salts of inorganic acids or peroxoacids | | $3 | |
| Radioactive chemical elements and radioactive isotopes | $178 | $1,374 | |
| Isotopes other than those of heading 28.44 | | $886 | |
| Hydrogen peroxide, whether or not solidified with urea | | $15,326 | $14,730 |
| Other inorganic compounds | $479 | $870 | $57 |
| Total | $5,908,562 | $25,097,317 | $10,450,535 |
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