Sub-Chapter2005200620072008200920102011
Salt (including table salt)$57,431$59,341$763,545$47,489$161,386$31,151$40,628
Unroasted iron pyrites.    $251$2,727 
Natural graphite.$2,663,164$3,090,684$3,798,212$3,490,019$2,259,542$3,839,582$4,329,799
Natural sands of all kinds$27,680$556,744$1,198,091$1,166,043$1,288,053$1,668,952$1,416,874
Quartz (other than natural sands); quartzite$3,017,143$2,792,634$3,890,133$4,635,199$2,643,739$3,301,407$4,307,686
Kaolin and other kaolinic clays, whether or not calcined.$94$14,564$66$211$1,068$128$17,730
Other clays (not including expanded clays of heading 68.06), andalusite, ky ...$10,611$3,281$14,236$20,024$3,325$10,153$3,618
Chalk. $28  $38  
Natural calcium phosphates $129  $1,486 $26
Siliceous fossil meals$65      
Pumice stone; emery; other natural abrasives$3  $3,494   
Slate$72 $466    
Marble, travertine, ecaussine and other stone$887   $2,844 $2,284
Granite, porphyry, basalt, sandstone and other stone$334,806$319,555$299,005$605,085$113,393$422,752$1,542,631
Pebbles, gravel, broken or crushed stone$611$420$633$813$12$207$4,859
Dolomite, whether or not calcined or sintered $722$5$1,691 $6$1,168
Natural magnesium carbonate (magnesite) $4     
Gypsum; anhydrite; plasters$1,271$261$52$22$7,186 $67
Limestone flux; limestone $10   $5 
Quicklime, slaked lime and hydraulic lime$401$2,026$1,415$917$19  
Portland cement, aluminous cement, slag cement$12,504$80,751$48,836$36,204$19,351$25,364$28,843
Asbestos.  $6,513$20 $724 
Mica, including splitings; mica waste.$599,544$917,973$1,120,077$873,430$924,225$753,357$1,271,872
Natural steatite, whether or not roughly trimmed$5,344$4,677$1,768$1,892 $230$2,095,233
Natural borates and concentrates thereof      $2,509
Felspar; leucite and nepheline syenite  $5$54 $34$187
Mineral substances$1,060,909$2,159,250$2,619,118$2,408,890$2,188,810$4,021,484$2,344,248
Total$7,792,540$10,003,054$13,762,176$13,291,497$9,614,728$14,078,263$17,410,262