Sub-Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
Fluorine, chlorine, bromine and iodine. | | $1,864 | $426 | $566 | $1,441 | | $2,537 |
Carbon | | $7,920 | $4,059 | $5,577 | $10,019 | $53,415 | $19,324 |
Hydrogen, rare gases and other non-metals. | $9,668 | $26,361 | $11,043 | $125,928 | $52,425 | $144,662 | $843,006 |
Hydrogen chloride (hydrochloric acid); | | | | | | | $176 |
Sulphuric acid; oleum. | $35,745 | $28,173 | $6,846 | | | | |
Nitric acid; sulphonitric acids. | | | | $6,846 | | | $4,056 |
Diphosphorus pentaoxide; phosphoric acid; | $1,793 | | | | $178 | | |
Oxides of boron; boric acids. | | | | | | | $3,989 |
Other inorganic acids and oxygen compounds | $438,164 | $247,633 | $101,396 | $76,614 | $223,404 | $127,912 | $208,236 |
Halides and halide oxides of non-metals. | | $8,322 | $1,354 | | $10,638 | $5,601 | $2,348 |
Sulphides of non-metals; commercial phosphorus trisulphide. | | | | | | $27,660 | |
Ammonia, anhydrous or in aqueous solution. | $22,661,092 | $29,219,579 | $33,374,970 | $43,951,389 | $22,467,832 | $7,547,301 | $31,715 |
Sodium hydroxide (caustic soda); | $6,649 | | | | | | $13,542 |
Hydroxide and peroxide of magnesium; | | | | | | | $2,210 |
Zinc oxide; zinc peroxide. | $126,502 | | | | $107,713 | | |
Artificial corundum, whether or not chemically defined; | $757,727 | $29,617 | $147,345 | $284,396 | $261,085 | $55,559 | $932,443 |
Iron oxides and hydroxides | | | | | | | $1,229 |
Hydrazine and hydroxylamine and their inorganic salts | | | | | | $63,032 | |
Fluorides; fluorosilicates and other complex fluorine salts. | | $11,152 | $4,640,003 | | $5,463,940 | $8,566,758 | $251,922 |
Chlorides, chloride oxides and chloride hydroxides | $160,904 | $12,250 | $27,558 | | | $577 | $77 |
Sulphides; polysulphides | | $6,628 | | $137,042 | | $41,665 | |
Dithionites and sulphoxylates. | | | | | | $2,649 | |
Sulphites; thiosulphates. | $1,999,853 | $1,367,990 | $1,567,883 | $3,773,584 | $3,375,226 | $3,452,338 | $4,090,964 |
Sulphates; alums; peroxosulphates (persulphates). | $470,523 | $114,417 | $212,625 | $282,569 | $67,542 | $25,399 | $30,120 |
Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates | $109 | $51 | | $43,646 | | | |
Carbonates; peroxocarbonates (percarbonates) | $173,861 | $22,883 | | | | $5,779 | $29,734 |
Silicates; commercial alkali metal silicates. | | | | $20,553 | | | |
Salts of oxometallic or peroxometallic acids. | $98,274 | | | | | | |
Other salts of inorganic acids or peroxoacids | | | $383 | | $7,114 | | $2,250 |
Radioactive chemical elements and radioactive isotopes | | | | | $6,888 | | |
Isotopes other than those of heading 28.44 | | | | | | $332 | |
Carbides, whether or not chemically defined. | $18,617 | | | $7,979 | $53,590 | $1,827 | |
Other inorganic compounds | $6,481 | | | | | | $7,242 |
Total | $26,965,962 | $31,104,840 | $40,095,891 | $48,716,689 | $32,109,035 | $20,122,466 | $6,477,120 |
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