Sub-Chapter2005200620072008
Salt (including table salt)$223,154$241,038$287,034$323,126
Unroasted iron pyrites.$244,593$122,300$60$39,192
Natural graphite.$799$2,065$4,847$27
Natural sands of all kinds$169,396$580,124$534,868$475,365
Quartz (other than natural sands); quartzite$861$272$1,655$7,040
Kaolin and other kaolinic clays, whether or not calcined.$13,819$22,283$15,509$27,026
Other clays (not including expanded clays of heading 68.06), andalusite, ky ...$95,300$145,594$108,482$244,240
Chalk.$6,886$4,353$88,956$7,991
Natural calcium phosphates$490$780$1,326$2,507
Natural barium sulphate (barytes)$12,771$6,614$8,908$6,165
Siliceous fossil meals$6,756$1,584$6,039$7,245
Pumice stone; emery; other natural abrasives$4,669$20,295$16,556$4,840
Slate$1,312$223$3,104$732
Marble, travertine, ecaussine and other stone$2,459$4,393$24,919$444,845
Granite, porphyry, basalt, sandstone and other stone$103,136$155,175$406,695$464,171
Pebbles, gravel, broken or crushed stone$23,542$423,053$678,620$956,278
Dolomite, whether or not calcined or sintered   $568
Natural magnesium carbonate (magnesite)$3,152$428 $269
Gypsum; anhydrite; plasters$52,299$85,522$38,658$90,961
Limestone flux; limestone$61$6,597$39,250$5,930
Quicklime, slaked lime and hydraulic lime$22,188$4,358$6,560$10,559
Portland cement, aluminous cement, slag cement$5,996,621$7,494,022$9,639,223$13,934,820
Asbestos.$17,122$37,685 $4,028
Mica, including splitings; mica waste.$12,691$14,157$13,290$21,744
Natural steatite, whether or not roughly trimmed$69,733$48,570$77,163$115,102
Natural borates and concentrates thereof$13$46  
Felspar; leucite and nepheline syenite$15,122$18,139$9,586$3,494
Mineral substances$58,887$69,627$81,367$100,502
Total$7,157,832$9,509,297$12,092,675$17,298,767