Sub-Chapter200520062007200820092010
Salt (including table salt)$3,257,625$2,937,672$4,106,843$5,357,723$5,844,529$7,502,470
Unroasted iron pyrites.$5,491,753 $12,034$660,672$25,990$1,404,118
Natural graphite.$67,670$21,903$53,486$274,587$94,132$36,230
Natural sands of all kinds$33,918$148,268$132,739$125,373$197,594$1,467,156
Quartz (other than natural sands); quartzite$3,413$10,053$739$3,648  
Kaolin and other kaolinic clays, whether or not calcined.$82,009$78,165$73,930$33,697$84,678$206,248
Other clays (not including expanded clays of heading 68.06), andalusite, ky ...$81,932$106,257$992,716$697,443$403,462$626,322
Chalk.$7,174$11,297$7,358$15,883$5,936$14,420
Natural calcium phosphates$25,428$53,674$17,516$12,978$5,953$2,697
Natural barium sulphate (barytes)$1,526$2,130$13,258$76,208$424,889$579,473
Siliceous fossil meals$70,935$94,784$306,243$40,147$105,508$76,866
Pumice stone; emery; other natural abrasives $31,745 $59 $67
Slate$303$2 $9,793$35,467$10,156
Marble, travertine, ecaussine and other stone$645$331$2,205$18,900$4,449$18,958
Granite, porphyry, basalt, sandstone and other stone$17,174$25,109$132,636$201,373$96,942$313,072
Pebbles, gravel, broken or crushed stone$39,336$33,178$12,834$38,262$50,029$352,210
Dolomite, whether or not calcined or sintered$371,910$483,419$1,005,380$1,387,468$243,553$179,585
Natural magnesium carbonate (magnesite)$1,019,537$1,794,456$1,978,612$2,986,222$1,437,854$1,553,919
Gypsum; anhydrite; plasters$121,483$224,299$500,985$1,482,687$3,199,643$2,415,664
Limestone flux; limestone$39,682$18,747$1,594,725$2,233,724$82,770$228,079
Quicklime, slaked lime and hydraulic lime$119,511$3,263,474$9,028,313$4,283,151$6,164,099$9,964,017
Portland cement, aluminous cement, slag cement$8,559,861$13,277,020$16,459,812$25,409,230$12,206,111$9,154,170
Asbestos.$705,056$1,055,616$606,322$561,959$865,930$187,094
Mica, including splitings; mica waste.$6,077$19,158$12,236$6,295$1,253 
Natural steatite, whether or not roughly trimmed$2,363$23,018$14,448$17,993$36,190$43,928
Natural borates and concentrates thereof$1,848$17,016$146$323$120$16,823
Felspar; leucite and nepheline syenite$295 $257$3,599$2,086$5,132
Mineral substances$10,959$60,075$53,236$99,767$51,587$155,911
Total$20,139,423$23,790,866$37,119,009$46,039,164$31,670,754$36,514,785