Sub-Chapter200520062007200820092010
Salt (including table salt)$125,575$35,658$102,432$904,576$494,967$722,267
Unroasted iron pyrites. $1,533$65,238$8,629  
Natural graphite.  $531$956$48$2,227
Natural sands of all kinds$378$273$4,161$2,199$385$40,474
Quartz (other than natural sands); quartzite  $1,204 $150$220
Kaolin and other kaolinic clays, whether or not calcined. $239 $847 $25,712
Other clays (not including expanded clays of heading 68.06), andalusite, ky ...$101$1,173$23,041$4,497$17,524$4,260
Chalk. $167$37$61$2,271$1,528
Natural calcium phosphates $10$28,127$54,138$34,764$40,145
Natural barium sulphate (barytes)     $80,997
Siliceous fossil meals  $208   
Pumice stone; emery; other natural abrasives$813 $2,342$1,603$447,802$2,957
Slate   $2,000  
Marble, travertine, ecaussine and other stone  $25,669  $161
Granite, porphyry, basalt, sandstone and other stone$377$1,046$3,479$11,446$3,428$4,691
Pebbles, gravel, broken or crushed stone$12,450 $43,448$1,595$1,458$10,012
Natural magnesium carbonate (magnesite)$1 $3,250  $50
Gypsum; anhydrite; plasters $77$750$3,465$583 
Limestone flux; limestone $1,605$793$733$10,608$12,313
Quicklime, slaked lime and hydraulic lime$203$13$16,759$6,760$956$6,543
Portland cement, aluminous cement, slag cement$2,997,297$5,919,868$20,083,712$77,888,447$83,172,565$72,246,307
Asbestos.   $9,117$24,420$2,286
Mica, including splitings; mica waste.  $740$100$800$7,823
Natural steatite, whether or not roughly trimmed$830$313 $677$26,643$62,271
Natural borates and concentrates thereof$21,343$4,209  $2,081$5,495
Mineral substances$713,823$619,167$214,530$67,041$10,117$1,598,626
Total$3,873,191$6,585,351$20,620,451$78,968,887$84,251,570$74,877,365