|
| Sub-Chapter | 2005 | 2006 | 2007 | 2008 |
| Fluorine, chlorine, bromine and iodine. | $173 | | | |
| Hydrogen, rare gases and other non-metals. | $33,953 | $93,440 | $38,962 | $35,392 |
| Other inorganic acids and oxygen compounds | $14,525 | $22,450 | $40,164 | |
| Sulphides of non-metals; commercial phosphorus trisulphide. | $92,118 | | | |
| Ammonia, anhydrous or in aqueous solution. | $52,872 | $47,788 | | $2,156 |
| Sodium hydroxide (caustic soda); | | | | $67 |
| Hydroxide and peroxide of magnesium; | | | $21,087 | |
| Hydrazine and hydroxylamine and their inorganic salts | $716,344 | $764,532 | $1,163,845 | $856,271 |
| Chlorides, chloride oxides and chloride hydroxides | $39,497 | $43,575 | | |
| Salts of oxometallic or peroxometallic acids. | | $95 | | |
| Radioactive chemical elements and radioactive isotopes | | | $21,967 | |
| Carbides, whether or not chemically defined. | $3,925 | $3,794 | $5,029 | $12,876 |
| Other inorganic compounds | | | $7,221 | |
| Total | $953,407 | $975,674 | $1,298,275 | $906,762 |
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