Sub-Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
Fluorine, chlorine, bromine and iodine. | | $909 | $166 | $2,749 | | $17 | |
Carbon | $37 | $216,071 | $14,447 | $59,920 | | $1,633 | $30,216 |
Hydrogen, rare gases and other non-metals. | $1,355,027 | $2,041,521 | $3,085,638 | $10,026,995 | $5,528,023 | $6,773,020 | $6,102,377 |
Alkali or alkaline-earth metals; | | | | $5,549 | | | |
Hydrogen chloride (hydrochloric acid); | $137 | | | $64,612 | $18,987 | $8,621 | |
Sulphuric acid; oleum. | $50 | $3,816 | $2 | $130 | | $752 | $49,890 |
Nitric acid; sulphonitric acids. | $11,779 | $8,539 | $8,537 | $10,482 | $8,652 | $7,671 | $13,154 |
Diphosphorus pentaoxide; phosphoric acid; | $16,227 | $209 | $13,294 | $42,733 | $6,401 | $10,231 | $41,819 |
Oxides of boron; boric acids. | $12 | | $111 | $34 | $1,370 | $2,127 | |
Other inorganic acids and oxygen compounds | $192,908 | $259,758 | $221,497 | $329,722 | $934,862 | $1,375,485 | $1,221,932 |
Halides and halide oxides of non-metals. | | | | | $2,134 | | |
Ammonia, anhydrous or in aqueous solution. | $15,700,346 | $26,772,361 | $45,551,392 | $101,569,565 | $4,004,019 | $6,425 | $7,302,768 |
Sodium hydroxide (caustic soda); | $18,289 | $18,684 | $21,742 | $95,936 | $28,028 | $111,464 | $157,734 |
Hydroxide and peroxide of magnesium; | | $3,787 | | | | | |
Zinc oxide; zinc peroxide. | $1,503 | $395 | $7,457 | $1,251 | $699 | $2,686 | $14,040 |
Artificial corundum, whether or not chemically defined; | $6,187 | $76,107 | $12,127 | $14,183 | $10,188 | $55,256 | $3,327 |
Chromium oxides and hydroxides. | $547 | | | $5,530 | $669 | $1,203 | $5,562 |
Manganese oxides. | | | $23 | $23 | | | |
Iron oxides and hydroxides | $4,734 | | $2,561 | $35,674 | $8,467 | $5,411 | $15,601 |
Cobalt oxides and hydroxides | | | | | | $353 | |
Titanium oxides. | $12,922 | $68,387 | $68,746 | $16,925 | $581 | $809 | $20,133 |
Lead oxides; red lead and orange lead. | | | $164 | $119 | | | |
Hydrazine and hydroxylamine and their inorganic salts | $4,733 | $8,224 | $3,575 | $9,559 | $4,809 | $3,177 | $29,201 |
Fluorides; fluorosilicates and other complex fluorine salts. | $137 | $435 | | | | | $48,889 |
Chlorides, chloride oxides and chloride hydroxides | $38,108 | $46,393 | $64,355 | $399,502 | $822,269 | $341,555 | $41,377 |
Hypochlorites; commercial calcium hypochlorite | $11,543 | $6,585 | $6,980 | $2,594 | $3,162 | $38,444 | $72,072 |
Chlorates and perchlorates; bromates and perbromates | $1,019 | $3,898 | $4,038 | $4,193 | | | |
Sulphides; polysulphides | | $94,655 | $227,612 | $1,065 | $3,478 | $980 | |
Dithionites and sulphoxylates. | | | $494 | $1,892 | | | |
Sulphites; thiosulphates. | | $53 | $6,338 | $11,412 | $3,466 | $13,615 | $2,926 |
Sulphates; alums; peroxosulphates (persulphates). | $14,450 | $528,889 | $2,642,142 | $578,527 | $248,460 | $87,383 | $105,085 |
Nitrites; nitrates. | | | $143 | $10 | $28,155 | $326 | $464 |
Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates | $188,944 | $567,259 | $3,266,260 | $2,553,982 | $2,375,205 | $1,504,369 | $3,951,634 |
Carbonates; peroxocarbonates (percarbonates) | $235,985 | $476,598 | $774,690 | $477,879 | $93,636 | $464,768 | $148,857 |
Silicates; commercial alkali metal silicates. | $170,033 | $109,204 | $18,559 | $17,903 | $12,122 | $20,230 | $27,399 |
Borates; peroxoborates (perborates). | $547 | | | $1,203 | $414 | $954 | $704 |
Salts of oxometallic or peroxometallic acids. | $188,659 | | $55 | $653 | | | $2,808 |
Other salts of inorganic acids or peroxoacids | $47,177 | $12,555 | | $15,672 | $24,535 | $19,565 | $21,806 |
Colloidal precious metals | | | | | $8,915 | | |
Radioactive chemical elements and radioactive isotopes | $4,448 | $456 | $463 | $6 | | | |
Isotopes other than those of heading 28.44 | | | | | | $1,480 | |
Compounds, inorganic or organic, of rare-earth metals | | | | | $717 | $181,863 | $23,839 |
Hydrogen peroxide, whether or not solidified with urea | $1,093 | $14,797 | $36,023 | $25,054 | $9,261 | $13,102 | $29,131 |
Carbides, whether or not chemically defined. | $2,199 | $449 | $76 | $92,262 | $659 | $3,060 | $6,489 |
Hydrides, nitrides, azides, silicides and borides | $6,448 | $17,194 | $14,885 | $7,569 | $20,563 | $14,754 | $11,038 |
Other inorganic compounds | $18,501 | $8,458 | $6,039 | $2,158 | $1,939 | $7,077 | $47,887 |
Total | $18,254,729 | $31,366,646 | $56,080,631 | $116,485,227 | $14,214,845 | $11,079,866 | $19,550,159 |
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