Sub-Chapter200520062007200820092010
Salt (including table salt)$4,798,449$7,211,269$8,706,412  $11,017,880
Unroasted iron pyrites.$7,180$97,710$51,057   
Natural graphite.$283,296$387,925$323,022   
Natural sands of all kinds$4,571,334$10,992,034$14,441,509  $19,650,158
Quartz (other than natural sands); quartzite$18,682$12,193$876,535   
Kaolin and other kaolinic clays, whether or not calcined.$1,585$316,037$20,539   
Other clays (not including expanded clays of heading 68.06), andalusite, ky ...$1,386,187$779,881$548,362  $1,550,935
Chalk.$7,762$95,139$75,585  $7,080,542
Natural calcium phosphates$1,911$2,250    
Natural barium sulphate (barytes)$36,330$15,438$9,737  $210,667
Siliceous fossil meals$102,641$22,833    
Pumice stone; emery; other natural abrasives$25,652$32,653    
Slate$5,013$116,339$92,009   
Marble, travertine, ecaussine and other stone$137,806$129,880$218,786   
Granite, porphyry, basalt, sandstone and other stone$5,413,018$9,280,305$8,433,945 $14,561,919$2,869,070
Pebbles, gravel, broken or crushed stone$2,311,817$2,916,091$4,370,664  $1,918,402
Dolomite, whether or not calcined or sintered$169,221$139,353$390,279  $8,510,144
Natural magnesium carbonate (magnesite)$37,005$940,740$10,979  $138,934
Gypsum; anhydrite; plasters$9,726,349$6,035,482$5,924,125  $3,004,271
Limestone flux; limestone$4,904$862,781$2,064,549   
Quicklime, slaked lime and hydraulic lime$2,112,129$1,542,681$1,317,770  $5,518,140
Portland cement, aluminous cement, slag cement$92,099,393$130,012,916$247,349,278$170,798,080$103,642,661$178,678,090
Asbestos. $5,281$2,882   
Mica, including splitings; mica waste.$1,831$3,529$52,562   
Natural steatite, whether or not roughly trimmed$180,896$40,013$117,779  $525,334
Natural borates and concentrates thereof$50,282$19,366$51,269   
Felspar; leucite and nepheline syenite$4,365 $9,089   
Mineral substances$467,521$850,743$840,446   
Total$123,962,559$172,860,862$296,299,169$170,798,080$118,204,580$240,672,567