Sub-Chapter2005200620072008200920102011
Salt (including table salt)$259,977$171,019$366,271$247,230$296,068$418,073$471,420
Unroasted iron pyrites. $28,950$13,020    
Natural graphite.$1,099,253$1,460,255$1,255,812$1,898,319$1,796,675$1,400,665$1,443,660
Natural sands of all kinds$240,584$177,013$195,697$283,461$580,432$195,668$115,542
Quartz (other than natural sands); quartzite $22,085$19,974$532,412$21,454$5,261$255,377
Kaolin and other kaolinic clays, whether or not calcined.$3,305,333$4,150,603$5,244,644$6,364,136$5,635,680$7,600,169$7,312,914
Other clays (not including expanded clays of heading 68.06), andalusite, ky ...$3,067,740$2,643,514$1,426,403$2,638,387$1,841,587$1,932,615$1,694,515
Chalk.$795,136$609,236$811,925$1,627,302$1,297,733$1,153,553$1,241,393
Natural calcium phosphates$19,608,331$17,741,568$33,032,704$75,073,063$29,426,033$44,589,309$47,175,000
Natural barium sulphate (barytes)$180,166$217,847$600,275$1,015,266$721,988$732,092$642,057
Siliceous fossil meals$173,234$253,469$366,917$468,725$502,482$483,251$513,948
Pumice stone; emery; other natural abrasives$534,537$384,664$199,873$252,324$341,326$522,064$473,187
Marble, travertine, ecaussine and other stone$572,128$289,279$238,958$290,794$265,323$958,777$291,380
Granite, porphyry, basalt, sandstone and other stone$229,894$21,536$65,758$83,291$39,105$167,899$27,044
Pebbles, gravel, broken or crushed stone$5,283$41,231$20,042$7,256$56,121$16,531$23,101
Dolomite, whether or not calcined or sintered$89,723$66,724$97,213$116,854$137,683$2,127$69,063
Natural magnesium carbonate (magnesite)$504,375$570,612$843,436$1,112,131$1,191,003$1,238,937$1,526,347
Gypsum; anhydrite; plasters$255,833$340,508$381,504$535,207$394,183$377,083$424,190
Limestone flux; limestone$23,085 $106,437$21,920$3,311$3,280$1,193
Quicklime, slaked lime and hydraulic lime$10,552$10,308$16,455$42,238$45,668$108,390$30,039
Portland cement, aluminous cement, slag cement$3,701,407$11,102,673$3,191,735$3,932,457$2,742,364$2,520,387$2,638,277
Asbestos.$4,540,742$3,392,720$1,628,776$3,549,398$3,174,768$3,539,152$4,149,425
Mica, including splitings; mica waste.$1,129,226$46,306$29,193$66,723$27,909$85,544$38,157
Natural steatite, whether or not roughly trimmed$1,028,705$1,287,798$1,384,153$2,103,667$2,992,548$5,935,839$15,778,102
Natural borates and concentrates thereof $42,290   $50,186$605
Felspar; leucite and nepheline syenite$30,580$26,120$40,521$26,805$309,295$26,785$31,162
Mineral substances$2,981,667$3,202,778$3,161,860$3,846,996$4,366,732$4,768,096$5,948,984
Total$44,367,491$48,301,106$54,739,556$106,136,362$58,207,471$78,831,733$92,316,082