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| Sub-Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Fluorine, chlorine, bromine and iodine. | $5,994 | | $2,736 | $10,000 | $2,566 | $74,368 | |
| Carbon | | $629 | | | $788 | | |
| Hydrogen, rare gases and other non-metals. | $2,507 | $2,213 | $5,822 | $23,249 | $6,597 | $3,601 | $468 |
| Alkali or alkaline-earth metals; | $2,907 | | | | $30,486 | | |
| Hydrogen chloride (hydrochloric acid); | $10,730 | | | | | | |
| Sulphuric acid; oleum. | $21 | | | | | | |
| Nitric acid; sulphonitric acids. | $125 | | | | | | |
| Other inorganic acids and oxygen compounds | $13,358 | $7,447 | $1,740 | $1,198 | $94,361 | | |
| Halides and halide oxides of non-metals. | | $8,328 | | | | | |
| Ammonia, anhydrous or in aqueous solution. | $3,742 | | | | $13,579 | | |
| Sodium hydroxide (caustic soda); | | | | $7,258 | $5,913 | | |
| Iron oxides and hydroxides | $14,012 | | | $1 | | | |
| Titanium oxides. | | | | | | | $2,696 |
| Fluorides; fluorosilicates and other complex fluorine salts. | | | | $17,005 | | | |
| Chlorides, chloride oxides and chloride hydroxides | | $38,797 | | | | | |
| Chlorates and perchlorates; bromates and perbromates | $899 | | $23,452 | $115,952 | $403,547 | $499,678 | $403,302 |
| Sulphites; thiosulphates. | | | | | | $683 | |
| Sulphates; alums; peroxosulphates (persulphates). | | | | | $43,382 | | |
| Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates | | | | | $41,491 | | |
| Carbonates; peroxocarbonates (percarbonates) | $10 | | $2,001 | | $6,357 | | |
| Cyanides, cyanide oxides and complex cyanides. | | | | | $49 | | |
| Silicates; commercial alkali metal silicates. | | | | | $10,800 | | |
| Colloidal precious metals | | | | $2,600,137 | | $4,580 | |
| Radioactive chemical elements and radioactive isotopes | $1,582 | $15,195 | $23,749 | $98,519 | $183,235 | $155,604 | $60,798 |
| Isotopes other than those of heading 28.44 | | | | | $99 | $4,792 | $74,458 |
| Compounds, inorganic or organic, of rare-earth metals | | | | $200 | $201 | | |
| Carbides, whether or not chemically defined. | | | | | | | $3,461 |
| Hydrides, nitrides, azides, silicides and borides | | | | | $8,377 | $91 | |
| Other inorganic compounds | $209 | $799 | $9,741 | $5,406 | $8,574 | $592 | |
| Total | $56,096 | $73,408 | $69,241 | $2,878,925 | $860,402 | $743,989 | $545,183 |
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