Sub-Chapter200520062007200820092010
Salt (including table salt)$48,567,990$42,438,110$34,568,846$42,756,995$52,729,569$86,782,186
Unroasted iron pyrites.$45,837$278,311$64,436$151,976$38,327$40,667
Natural graphite.$1,113,934$1,353,043$1,773,076$3,061,676$2,267,370$1,653,413
Natural sands of all kinds$12,901,693$13,794,531$12,490,012$14,543,001$13,638,630$12,696,088
Quartz (other than natural sands); quartzite$12,513,723$14,398,599$13,017,134$15,391,060$13,534,145$23,327,377
Kaolin and other kaolinic clays, whether or not calcined.$24,365,797$27,109,018$28,826,470$26,749,457$24,578,938$34,228,592
Other clays (not including expanded clays of heading 68.06), andalusite, ky ...$24,447,348$25,311,766$29,840,392$34,306,833$28,435,853$105,763,940
Chalk.$11,569,853$13,517,740$17,190,507$20,793,201$14,861,066$13,604,387
Natural calcium phosphates$157,076$414,517$751,224$1,397,530$514,353$467,593
Natural barium sulphate (barytes)$5,887,290$7,642,199$10,988,929$11,821,267$11,451,110$12,310,638
Siliceous fossil meals$3,861,239$3,167,562$2,857,669$2,959,445$2,510,744$4,200,353
Pumice stone; emery; other natural abrasives$692,757$940,693$986,404$999,881$505,217$270,475
Slate$5,883,338$9,863,630$16,818,435$14,239,546$5,780,340$8,688,554
Marble, travertine, ecaussine and other stone$316,223,218$303,027,849$331,207,366$324,553,286$224,806,326$267,857,521
Granite, porphyry, basalt, sandstone and other stone$51,912,285$57,055,099$61,513,200$61,912,617$38,538,369$35,057,364
Pebbles, gravel, broken or crushed stone$10,616,890$18,058,470$22,136,806$23,091,767$18,277,594$31,536,195
Dolomite, whether or not calcined or sintered$7,613,823$6,835,567$8,322,507$13,381,318$8,358,169$10,030,263
Natural magnesium carbonate (magnesite)$31,235,176$34,371,906$40,854,869$51,514,988$48,319,033$64,120,680
Gypsum; anhydrite; plasters$76,508,910$85,892,801$97,021,645$75,286,002$69,323,724$93,539,063
Limestone flux; limestone$1,591,025$3,876,605$2,976,094$4,056,736$732,607$982,473
Quicklime, slaked lime and hydraulic lime$9,226,617$13,247,308$17,791,009$17,646,666$26,822,946$24,159,552
Portland cement, aluminous cement, slag cement$138,910,586$134,718,610$157,808,186$242,623,842$243,543,999$300,731,622
Asbestos.    $167$6,770
Mica, including splitings; mica waste.$634,529$810,381$951,300$979,968$817,537$959,849
Natural steatite, whether or not roughly trimmed$10,783,578$10,425,067$11,182,381$12,727,757$8,756,179$5,178,014
Natural borates and concentrates thereof$2,487,761$1,267,388$1,271,635$2,048,981$1,666,945$2,081,545
Felspar; leucite and nepheline syenite$7,594,752$11,344,172$12,319,894$12,934,648$9,150,815$11,174,727
Mineral substances$137,459,641$128,239,600$129,781,063$158,443,038$148,386,520$112,397,970
Total$954,806,666$969,400,542$1,065,311,489$1,190,373,482$1,018,346,592$1,263,847,871