Sub-Chapter200520062007200820092010
Salt (including table salt)$1,436,973$1,188,284$1,408,168$2,387,503$1,547,903$1,152,622
Unroasted iron pyrites.$1,915$317$5,154$2,911$4,243$3,706
Natural graphite.$41,768$30,340$39,349$96,851$21,422$228,153
Natural sands of all kinds$1,483,569$809,364$2,492,785$2,151,807$1,751,699$4,032,076
Quartz (other than natural sands); quartzite$283,502$440,130$321,802$398,609$668,964$425,447
Kaolin and other kaolinic clays, whether or not calcined.$9,896,015$8,777,872$9,550,395$13,012,503$10,253,368$11,946,954
Other clays (not including expanded clays of heading 68.06), andalusite, ky ...$5,737,387$5,636,469$5,826,076$10,896,198$9,596,573$8,854,483
Chalk.$135,675$93,620$152,450$204,410$150,632$334,790
Natural calcium phosphates $1,318$4,977$8,794$51$29
Natural barium sulphate (barytes)$1,133,160$1,534,023$2,702,323$5,131,460$4,119,176$4,954,556
Siliceous fossil meals$101,003$84,869$449,956$791,434$207,186$181,836
Pumice stone; emery; other natural abrasives$930,589$662,157$336,127$605,791$853,681$1,042,709
Slate     $27
Marble, travertine, ecaussine and other stone$5,837,089$4,742,366$6,200,088$8,278,070$7,560,190$9,157,738
Granite, porphyry, basalt, sandstone and other stone$863,632$306,832$154,497 $567,984$1,661,441
Pebbles, gravel, broken or crushed stone$6,558,732$6,486,300$7,841,380$11,295,444$8,920,638$9,010,950
Dolomite, whether or not calcined or sintered$136,858$286,399$518,562$241,436$384,572$1,130,314
Natural magnesium carbonate (magnesite)$488,404$452,450$628,911$567,790$906,311$997,133
Gypsum; anhydrite; plasters$732,020$731,792$937,491$1,165,269$1,592,526$1,152,670
Limestone flux; limestone  $40   
Quicklime, slaked lime and hydraulic lime$5,411$1,081$9,261$35,849$48,723$27,128
Portland cement, aluminous cement, slag cement$6,402,982$5,082,027$6,224,530$6,928,729$8,102,147$7,261,188
Asbestos.$685,763$684,519$752,433$1,045,549$385,735$673,115
Mica, including splitings; mica waste.$106,190$105,121$132,204$212,978$87,736$117,218
Natural steatite, whether or not roughly trimmed$1,285,640$964,776$1,267,892$1,439,908$1,309,380$1,824,279
Natural borates and concentrates thereof$86,602$36,428$62,492$112,459$41,393$44,226
Felspar; leucite and nepheline syenite$16,717,086$15,191,884$20,360,778$26,682,739$14,567,234$25,078,952
Mineral substances$260,823$216,891$423,293$507,872$364,860$529,840
Total$61,348,788$54,547,629$68,803,414$94,202,363$74,014,327$91,823,580