Sub-Chapter2005200620072008
Salt (including table salt)$279,533$384,418$473,724$457,930
Unroasted iron pyrites.$9,230$23,079 $277
Natural graphite.$21,881$208,818$200,169$93,479
Natural sands of all kinds$22,544$89,327$111,563$202,468
Quartz (other than natural sands); quartzite$4,466$12,860$30,186$45,593
Kaolin and other kaolinic clays, whether or not calcined.$22,869$14,108$7,117$1,250
Other clays (not including expanded clays of heading 68.06), andalusite, ky ...$167,125$348,781$421,993$770,752
Chalk.$217,982$82,575$55,669$527,474
Natural calcium phosphates$13,369$11,860$31,373$69,278
Natural barium sulphate (barytes)$747 $43,386$110,399
Siliceous fossil meals$85,022$64,029$181,428$173,229
Pumice stone; emery; other natural abrasives$57,236$12,838$5,983$8,921
Slate$25,511$35,176$38,313$13,096
Marble, travertine, ecaussine and other stone$888,586$25,963$202,230$192,767
Granite, porphyry, basalt, sandstone and other stone$149,015$423,078$719,595$771,246
Pebbles, gravel, broken or crushed stone$38,198$93,591$279,660$394,406
Dolomite, whether or not calcined or sintered$12,441$13,122$3$4,138
Natural magnesium carbonate (magnesite)$295,961$335,582$1,273,744$2,978,940
Gypsum; anhydrite; plasters$82,364$230,736$220,921$346,426
Limestone flux; limestone$49,346$51,113$30,993$42,871
Quicklime, slaked lime and hydraulic lime$387,620$322,598$254,807$322,624
Portland cement, aluminous cement, slag cement$31,406,206$26,264,990$37,113,282$43,922,115
Asbestos.$1,175$40,221$10,475 
Mica, including splitings; mica waste.$30,154$46,138$12,849$2,202
Natural steatite, whether or not roughly trimmed$6,982$11,908$20,874$15,967
Natural borates and concentrates thereof $19,808$5,762$5,332
Felspar; leucite and nepheline syenite$2,938$9$1,022 
Mineral substances$141,624$85,138$185,680$94,219
Total$34,420,125$29,251,864$41,932,801$51,567,399