Sub-Chapter20052006200720092011
Salt (including table salt)$311,536$506,012$642,885$361,626$528,447
Natural graphite. $1,298$17,316$1,915 
Natural sands of all kinds$2,245$18,882$21,015$47,804$44,517
Quartz (other than natural sands); quartzite$210,551$381,762$359,172$404,620$531,648
Kaolin and other kaolinic clays, whether or not calcined.$10,630$11,382$19,798$12,267$21,279
Other clays (not including expanded clays of heading 68.06), andalusite, ky ...$576,188$678,642$616,303$572,086$639,265
Chalk.$2  $29,682$17,051
Natural calcium phosphates$234,291$156,171$141,206$117,655$61,112
Natural barium sulphate (barytes)   $31 
Siliceous fossil meals$1,714 $926$34,994$9,140
Slate$5,658$5,302$882$54,927 
Marble, travertine, ecaussine and other stone$11,174,242$9,882,323$10,806,313$19,311,826$20,230,547
Granite, porphyry, basalt, sandstone and other stone$126,175$214,793$247,995$251,352$99,917
Pebbles, gravel, broken or crushed stone$444,625$329,040$597,973$682,458$1,373,098
Dolomite, whether or not calcined or sintered$1,925,618$964,560$858,783$1,744,923$2,029,915
Natural magnesium carbonate (magnesite)$3,358$61,703$133,192$499$3,785
Gypsum; anhydrite; plasters$779,989$568,223$569,424$776,357$1,675,295
Limestone flux; limestone$7$28,615$24,660$205,162$138,842
Quicklime, slaked lime and hydraulic lime$129,258$196,217$350,741$194,973$4,236
Portland cement, aluminous cement, slag cement$17,445,922$29,146,379$30,383,085$690,800$24,493,764
Asbestos.  $2,977  
Natural steatite, whether or not roughly trimmed$127,105$134,738$217,354$134,896$154,803
Felspar; leucite and nepheline syenite$1,703,993$2,727,058$2,496,177$1,306,345$1,662,751
Mineral substances$725,389$488,787$666,746$1,295,968$1,169,256
Total$35,938,496$46,501,887$49,174,923$28,233,166$54,888,668