Sub-Chapter2005200920102011
Salt (including table salt)$13,401,292$294,424$274,614$363,869
Unroasted iron pyrites.  $28 
Natural graphite. $30$82$90
Natural sands of all kinds $1,061,492$647,599$826,482
Quartz (other than natural sands); quartzite $17,794$12,856$1,307
Kaolin and other kaolinic clays, whether or not calcined.  $224 
Other clays (not including expanded clays of heading 68.06), andalusite, ky ... $2,460$10,192$17,425
Chalk. $146$515$506
Natural calcium phosphates $7,585$1,880 
Siliceous fossil meals  $515$132
Pumice stone; emery; other natural abrasives $1,144$1,930$2,575
Slate $55,428$22,428$35,449
Marble, travertine, ecaussine and other stone $29,203$13,507 
Granite, porphyry, basalt, sandstone and other stone $3,314,614$3,601,980$7,376,597
Pebbles, gravel, broken or crushed stone $1,593,908$965,959$1,743,953
Natural magnesium carbonate (magnesite) $22$287$50
Gypsum; anhydrite; plasters $13,864$14,799$8,393
Limestone flux; limestone  $809$61,632
Quicklime, slaked lime and hydraulic lime $181$2 
Portland cement, aluminous cement, slag cement $5,656,107$3,815,395$5,316,566
Asbestos. $353  
Mica, including splitings; mica waste.  $12 
Natural steatite, whether or not roughly trimmed $8,920$292$208
Natural borates and concentrates thereof $101  
Felspar; leucite and nepheline syenite $2,358  
Mineral substances $3,672$845$1,830
Total$13,401,292$12,063,806$9,386,750$15,757,064