Sub-Chapter2005200620072008200920102011
Salt (including table salt)$174,183,544$181,360,195$195,598,173$36,376,311$2,836,195$3,291,823$3,666,561
Unroasted iron pyrites.  $414  $7,455$805
Natural graphite.$138,664$50,587$21,909$178,524$12,459$28,746$94,382
Natural sands of all kinds$46,744,377$50,695,481$62,215,620$68,224,704$47,769,607$70,557,598$82,029,256
Quartz (other than natural sands); quartzite$516,806$1,664,912$1,306,212$861,249$750,871$476,351$430,181
Kaolin and other kaolinic clays, whether or not calcined.$4,013,566$3,517,284$3,626,323$3,723,510$2,884,625$3,942,798$3,712,886
Other clays (not including expanded clays of heading 68.06), andalusite, ky ...$3,857,719$4,638,742$5,025,018$7,181,335$7,027,767$9,823,272$7,682,280
Chalk.$31,932$30,621$7,985$41,846$4,027$30,736$5,456,865
Natural calcium phosphates$2,509$15,001$135,842$242,894$632,617$123,036$52,247
Natural barium sulphate (barytes)$680,670$246,929$261,338$282,410$729,270$1,393,253$592,088
Siliceous fossil meals$283,928$228,128$234,591$150,370$88,673$169,294$96,466
Pumice stone; emery; other natural abrasives$190,374$116,356$5,134$86,835$161$66$6,670
Slate$2,466$1,900$79,729$111,648$1,880$79,523$3,574
Marble, travertine, ecaussine and other stone$878,423$373,800$371,626$363,621$1,062,648$312,889$705,449
Granite, porphyry, basalt, sandstone and other stone$6,115,112$6,699,045$6,755,288$7,285,430$7,140,251$10,800,036$9,401,443
Pebbles, gravel, broken or crushed stone$441,987$529,018$970,083$2,296,782$817,302$1,079,054$935,566
Dolomite, whether or not calcined or sintered$402,669$202,195$424,218$460,829$225,995$251,860$617,316
Natural magnesium carbonate (magnesite)$58,287,738$56,910,541$52,625,290$76,213,993$37,680,839$80,367,562$115,876,961
Gypsum; anhydrite; plasters$16,734,689$16,676,286$17,586,102$17,395,333$12,022,972$11,385,742$4,945,625
Limestone flux; limestone$4,258,465$3,653,333$1,529,723$1,659,155$905,149$723,614$385,224
Quicklime, slaked lime and hydraulic lime$588,993$109,580$158,773$247,313$99,252$137,696$165,883
Portland cement, aluminous cement, slag cement$6,109,072$5,321,878$5,505,459$6,735,725$5,218,931$9,621,464$9,658,820
Mica, including splitings; mica waste.$8,229$46,012$152,695$111,255$4,096$9,157$11,597
Natural steatite, whether or not roughly trimmed$12,371,883$13,290,366$13,684,548$9,092,254$8,268,635$11,228,363$12,537,534
Natural borates and concentrates thereof$9,906$152,229$10,702$88,461$643,654$392,188$52,745
Felspar; leucite and nepheline syenite$157,126$143,657$199,420$225,182$70,337$38,180$7,163
Mineral substances$23,861,924$41,353,488$49,836,813$53,965,350$58,524,123$81,921,522$100,251,126
Total$360,872,771$388,027,564$418,329,028$293,602,319$195,422,336$298,193,278$359,376,713