Sub-Chapter200520062007200820092010
Salt (including table salt)$87,571$114,817$117,830$125,563$118,430$162,541
Unroasted iron pyrites.    $101 
Natural graphite.    $11 
Natural sands of all kinds$7,871$352$3,526$376$130$616
Quartz (other than natural sands); quartzite$1,991     
Other clays (not including expanded clays of heading 68.06), andalusite, ky ... $103$516 $326 
Chalk.$20 $64 $46$133
Natural calcium phosphates    $62 
Natural barium sulphate (barytes)$6,174$1,266$12,730$4,707$12,130 
Siliceous fossil meals$7,258$4,580$4,931$3,381$6,523$131
Pumice stone; emery; other natural abrasives$28$261$16$25,185$61$168
Slate   $5,441  
Marble, travertine, ecaussine and other stone$143$33$315$3,707  
Granite, porphyry, basalt, sandstone and other stone$181$268  $9,627$3,608
Pebbles, gravel, broken or crushed stone$267$5,314$1,531$5,540$286$52
Dolomite, whether or not calcined or sintered$41,364$295 $893$5,377 
Natural magnesium carbonate (magnesite) $363$624$55$794 
Gypsum; anhydrite; plasters$440$1,172$5,552$5,526$15$139
Limestone flux; limestone$13,380$12,025$16,647$22,046$7,677$15,195
Quicklime, slaked lime and hydraulic lime$832$2,966$97$292 $3,258
Portland cement, aluminous cement, slag cement$2,222,171$1,856,264$2,275,010$2,670,550$2,857,032$3,115,377
Mica, including splitings; mica waste.$74,266$63,131$97,694$63,573$23,915 
Mineral substances$213$43$172,795$78$319$1,393
Total$2,464,170$2,063,253$2,709,878$2,936,913$3,042,862$3,302,611