Sub-Chapter2005200620072008200920102011
Salt (including table salt)$31,182,600$37,939,100$40,350,400$49,126,100$48,769,000$62,849,100$77,148,300
Natural graphite.$5,800$100 $600 $600$700
Natural sands of all kinds$907,400$1,305,800$2,856,700$3,227,600$1,012,500$1,302,700$1,577,300
Quartz (other than natural sands); quartzite  $6,800    
Kaolin and other kaolinic clays, whether or not calcined.   $4,300 $12,000$1,500
Other clays (not including expanded clays of heading 68.06), andalusite, ky ...$5,200$3,900$600$14,100$14,700$19,700$93,400
Chalk.$167,100$144,400$223,300$262,900$232,900$176,400$330,100
Siliceous fossil meals$20,700$19,900$24,300$3,300$21,800$18,300$35,100
Pumice stone; emery; other natural abrasives    $700  
Slate$6,800$4,500$12,600$221,500$2,300 $42,100
Marble, travertine, ecaussine and other stone      $20,200
Granite, porphyry, basalt, sandstone and other stone$40,700$22,200$53,900$62,400$84,200$37,400$93,600
Pebbles, gravel, broken or crushed stone$15,018,700$7,956,200$13,704,900$10,669,500$4,048,000$11,093,700$29,349,100
Dolomite, whether or not calcined or sintered$17,100$5,100$100$35,300$8,200$266,700$582,500
Natural magnesium carbonate (magnesite) $8,100$900$700  $600
Gypsum; anhydrite; plasters$12,100$1,400$4,600$97,100$92,700$101,900$227,400
Limestone flux; limestone$521,700$7,100     
Quicklime, slaked lime and hydraulic lime$6,830,500$6,931,200$9,689,900$9,644,100$6,037,400$4,622,600$4,692,800
Portland cement, aluminous cement, slag cement$31,825,100$34,851,500$44,465,700$24,876,900$30,258,600$21,505,700$41,525,100
Asbestos.$500$2,500     
Natural steatite, whether or not roughly trimmed$4,000 $1,300    
Felspar; leucite and nepheline syenite$37,800$33,100$81,300$69,700 $60,600$35,100
Mineral substances$88,100$77,200$116,900$120,500$193,400$392,100$428,300
Total$86,691,900$89,313,300$111,594,200$98,436,600$90,776,400$102,459,500$156,183,200