Sub-Chapter | 2005 | 2006 | 2007 | 2008 |
Salt (including table salt) | $279,533 | $384,418 | $473,724 | $457,930 |
Unroasted iron pyrites. | $9,230 | $23,079 | | $277 |
Natural graphite. | $21,881 | $208,818 | $200,169 | $93,479 |
Natural sands of all kinds | $22,544 | $89,327 | $111,563 | $202,468 |
Quartz (other than natural sands); quartzite | $4,466 | $12,860 | $30,186 | $45,593 |
Kaolin and other kaolinic clays, whether or not calcined. | $22,869 | $14,108 | $7,117 | $1,250 |
Other clays (not including expanded clays of heading 68.06), andalusite, ky ... | $167,125 | $348,781 | $421,993 | $770,752 |
Chalk. | $217,982 | $82,575 | $55,669 | $527,474 |
Natural calcium phosphates | $13,369 | $11,860 | $31,373 | $69,278 |
Natural barium sulphate (barytes) | $747 | | $43,386 | $110,399 |
Siliceous fossil meals | $85,022 | $64,029 | $181,428 | $173,229 |
Pumice stone; emery; other natural abrasives | $57,236 | $12,838 | $5,983 | $8,921 |
Slate | $25,511 | $35,176 | $38,313 | $13,096 |
Marble, travertine, ecaussine and other stone | $888,586 | $25,963 | $202,230 | $192,767 |
Granite, porphyry, basalt, sandstone and other stone | $149,015 | $423,078 | $719,595 | $771,246 |
Pebbles, gravel, broken or crushed stone | $38,198 | $93,591 | $279,660 | $394,406 |
Dolomite, whether or not calcined or sintered | $12,441 | $13,122 | $3 | $4,138 |
Natural magnesium carbonate (magnesite) | $295,961 | $335,582 | $1,273,744 | $2,978,940 |
Gypsum; anhydrite; plasters | $82,364 | $230,736 | $220,921 | $346,426 |
Limestone flux; limestone | $49,346 | $51,113 | $30,993 | $42,871 |
Quicklime, slaked lime and hydraulic lime | $387,620 | $322,598 | $254,807 | $322,624 |
Portland cement, aluminous cement, slag cement | $31,406,206 | $26,264,990 | $37,113,282 | $43,922,115 |
Asbestos. | $1,175 | $40,221 | $10,475 | |
Mica, including splitings; mica waste. | $30,154 | $46,138 | $12,849 | $2,202 |
Natural steatite, whether or not roughly trimmed | $6,982 | $11,908 | $20,874 | $15,967 |
Natural borates and concentrates thereof | | $19,808 | $5,762 | $5,332 |
Felspar; leucite and nepheline syenite | $2,938 | $9 | $1,022 | |
Mineral substances | $141,624 | $85,138 | $185,680 | $94,219 |
Total | $34,420,125 | $29,251,864 | $41,932,801 | $51,567,399 |
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