Sub-Chapter200520062007200820092010
Salt (including table salt)$1,319,883$2,418,191$2,303,097$2,577,954$2,654,681$3,040,585
Unroasted iron pyrites. $16    
Natural graphite.$4,032$6,132$4,985$2,043$1,968$4,190
Natural sands of all kinds$243,469$316,207$311,872$280,012$252,070$329,817
Quartz (other than natural sands); quartzite$9,034 $29,006$86,354$22,752$34,279
Kaolin and other kaolinic clays, whether or not calcined.$686,989$744,395$1,017,368$1,297,970$603,083$1,047,555
Other clays (not including expanded clays of heading 68.06), andalusite, ky ...$869,641$1,119,872$1,403,381$1,266,309$1,396,674$1,357,035
Chalk.$283,395$274,228$166,145$159,270$157,575$136,946
Natural calcium phosphates$20 $3,199 $25 
Natural barium sulphate (barytes)$1,020  $2,438$7,202 
Siliceous fossil meals$484,690$532,575$686,575$550,095$397,819$691,022
Pumice stone; emery; other natural abrasives  $9,697$7,006$16,985$6,936
Slate $114,784$165,009$133,166$121,120$40,295
Marble, travertine, ecaussine and other stone$260,947$604,594$553,336$887,797$154,609$515,628
Granite, porphyry, basalt, sandstone and other stone$201,300$230,316$206,672$329,798$129,879$189,164
Pebbles, gravel, broken or crushed stone$31,668$30,627$43,629$26,119$30,482$24,040
Dolomite, whether or not calcined or sintered$257,246$715,628$1,047,180$1,637,541$1,042,222$1,066,301
Natural magnesium carbonate (magnesite)$106,181$105,051$122,027$162,488$104,265$210,676
Gypsum; anhydrite; plasters$1,886,218$2,793,227$4,000,569$841,715$775,925$1,181,275
Limestone flux; limestone $2,079  $1,167 
Quicklime, slaked lime and hydraulic lime$1,258,058$1,184,315$1,320,577$1,342,374$1,480,849$1,454,185
Portland cement, aluminous cement, slag cement$11,088,671$11,874,691$11,270,163$9,473,828$7,930,760$14,889,766
Asbestos.$708,298$915,711$960,021$1,112,603 $167,491
Mica, including splitings; mica waste.$39,774$216,617$32,740$59,236$17,974$41,143
Natural steatite, whether or not roughly trimmed$321,015$361,253$409,977$521,472$270,044$331,782
Natural borates and concentrates thereof$15,656$72,341$53,222$58,623$113,423$105
Felspar; leucite and nepheline syenite$43,833$887,687$824,395$1,099,447$10,427$1,057,866
Mineral substances$731,214$640,796$1,754,128$276,429$270,933$154,878
Total$20,852,252$26,161,333$28,698,970$24,192,087$17,964,913$27,972,960