Sub-Chapter200520062007200820092010
Salt (including table salt)$320,675$361,038$368,910$415,490$419,641$399,496
Unroasted iron pyrites.$58     
Natural graphite.$20$109$87$587 $26
Natural sands of all kinds$3,095$10,312$27,548$23,419$13,262$9,045
Quartz (other than natural sands); quartzite     $89
Kaolin and other kaolinic clays, whether or not calcined.$339     
Other clays (not including expanded clays of heading 68.06), andalusite, ky ...$5,771$35,087$50,825$182,733$112,375$32,009
Chalk.$407$255$451$781$969$697
Natural barium sulphate (barytes)  $23,999   
Siliceous fossil meals$21,131$34,614$34,027$17,189$31,325$22,892
Pumice stone; emery; other natural abrasives$627$561$284$166$333$7,585
Slate $5,057$5,005$2,923$2,618$5,164
Marble, travertine, ecaussine and other stone$1,609$5$54$8,661$277$17,402
Granite, porphyry, basalt, sandstone and other stone$5,028$14,620$592$790$30,209$7,485
Pebbles, gravel, broken or crushed stone$554$548$3,495$11,349$50,078$2,506
Natural magnesium carbonate (magnesite)$51$631$742 $18$26
Gypsum; anhydrite; plasters$31,282$9,262$13,937$1,962$7,772$9,810
Limestone flux; limestone   $21$2,421 
Quicklime, slaked lime and hydraulic lime$69,621$93,501$136,783$125,539$90,080$170,204
Portland cement, aluminous cement, slag cement$6,384,821$6,734,272$7,099,254$9,251,426$10,372,615$10,060,547
Mica, including splitings; mica waste.$81$83$77 $113$55
Natural steatite, whether or not roughly trimmed$2,465$3,587$4,669$8,735$12,875$6,547
Natural borates and concentrates thereof     $249
Mineral substances$323$4,340$1,414$2,346$3,275$842
Total$6,847,958$7,307,882$7,772,153$10,054,117$11,150,256$10,752,676