Sub-Chapter | 2005 | 2006 | 2010 |
Salt (including table salt) | $1,281,721 | $1,925,630 | $3,463,677 |
Natural sands of all kinds | $38,190 | $33,263 | $39,775 |
Quartz (other than natural sands); quartzite | $607 | $2,059 | |
Kaolin and other kaolinic clays, whether or not calcined. | $43 | $2,321 | $8,710 |
Other clays (not including expanded clays of heading 68.06), andalusite, ky ... | $118,093 | $90,069 | $71,377 |
Chalk. | $97,347 | $139,533 | $139,853 |
Natural calcium phosphates | | $861 | $162 |
Natural barium sulphate (barytes) | | $3,582 | |
Siliceous fossil meals | $152,448 | $115,954 | $156,084 |
Pumice stone; emery; other natural abrasives | $12,214 | $14,068 | $16 |
Marble, travertine, ecaussine and other stone | $1,915,299 | $2,929,753 | $15,652 |
Granite, porphyry, basalt, sandstone and other stone | $1,535 | $10,875 | $1,715 |
Pebbles, gravel, broken or crushed stone | $6,731 | $10,685 | $9,574 |
Natural magnesium carbonate (magnesite) | $256 | $629 | |
Gypsum; anhydrite; plasters | $2,002,652 | $1,512,364 | $3,069,365 |
Limestone flux; limestone | $9,063 | | |
Quicklime, slaked lime and hydraulic lime | $95,699 | $179,139 | $168,928 |
Portland cement, aluminous cement, slag cement | $41,878,045 | $45,022,189 | $45,657,657 |
Mica, including splitings; mica waste. | $2,368 | $476 | |
Natural steatite, whether or not roughly trimmed | $472 | $17,636 | $8,805 |
Natural borates and concentrates thereof | | | $2,904 |
Mineral substances | $40,283 | $33,165 | $73,829 |
Total | $47,653,066 | $52,044,251 | $52,888,083 |
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