Sub-Chapter2005200620072008200920102011
Salt (including table salt)$3,276,820$3,528,772$3,964,790$4,244,048$3,215,079$2,961,073$4,717,637
Unroasted iron pyrites.$681$2,686$106 $397$61 
Natural graphite.$237$104$10,316 $107 $217,039
Natural sands of all kinds$69,421$38,656$1,795$2,206$8,966$19,035$94,299
Quartz (other than natural sands); quartzite $96   $422$7,059
Kaolin and other kaolinic clays, whether or not calcined.$1,488 $89  $123 
Other clays (not including expanded clays of heading 68.06), andalusite, ky ...$99,233$329,836$361,140$477,271$896,037$3,029,503$871,795
Chalk.$15,885$38,615 $9,216 $13,622$1,869
Natural calcium phosphates$909$346$8,841$4,931   
Natural barium sulphate (barytes)$7,915$615,232$72,507 $681,492$2,465,603$1,195,891
Siliceous fossil meals$26,186$27,468$73,576$39,829$37,028$20,964$26,961
Pumice stone; emery; other natural abrasives $273$50$219$658$7,989$69
Marble, travertine, ecaussine and other stone$337 $32$6,219$5,827$32,947$1,465
Granite, porphyry, basalt, sandstone and other stone $3,102   $33,423 
Pebbles, gravel, broken or crushed stone $393$300 $104,266 $40
Natural magnesium carbonate (magnesite)$710,037$686,431$681,391$363,674$122,814$600,181$996,218
Gypsum; anhydrite; plasters$276,200$334,953$331,621$472,736$461,039$374,629$378,323
Limestone flux; limestone      $86,368
Quicklime, slaked lime and hydraulic lime$662,921$2,271,137$1,298,259$2,587,131$1,868,286$1,713,580$1,577,283
Portland cement, aluminous cement, slag cement$27,973,259$32,257,513$37,095,587$47,869,942$49,599,183$59,360,459$63,466,657
Asbestos.  $17 $730 $16
Mica, including splitings; mica waste.$323 $930,306$5,085   
Natural steatite, whether or not roughly trimmed$2,108$50$1,954  $29$385
Natural borates and concentrates thereof  $712$892$1,577$1,520 
Felspar; leucite and nepheline syenite $53$1,690    
Mineral substances$1,185$208$74$4,998,989$8,067,514$4,096$2,426
Total$33,125,145$40,135,924$44,835,153$61,082,388$65,071,000$70,639,259$73,641,800