Sub-Chapter2005200620072008200920102011
Salt (including table salt) $24$734$6,224 $2,901,347$373,928
Natural graphite.     $10 
Natural sands of all kinds$168$15$8,828$2$2,445$2,235$6,883
Quartz (other than natural sands); quartzite$1,531$303,167$12,958$2,460$1,346$47,274$31,029
Kaolin and other kaolinic clays, whether or not calcined.   $1,260   
Other clays (not including expanded clays of heading 68.06), andalusite, ky ...$4,491$369,367$47,982$126,049$230,930$37,006$1,351
Chalk.    $5  
Natural calcium phosphates  $1  $218,074$1,880
Siliceous fossil meals   $3,545   
Pumice stone; emery; other natural abrasives $11$996$11$1,414 $351
Slate    $177  
Marble, travertine, ecaussine and other stone    $74  
Granite, porphyry, basalt, sandstone and other stone    $3$602$2,120
Pebbles, gravel, broken or crushed stone$5,379$293$976$2,205$93,054$371,519$83,917
Gypsum; anhydrite; plasters $199$61    
Limestone flux; limestone$9,562$132 $3,288$52,616 $528
Quicklime, slaked lime and hydraulic lime $293$13,125$3,002$1,686$12,085$259,162
Portland cement, aluminous cement, slag cement$76$29,051$129,129$1,180,313  $23
Asbestos.     $346 
Natural steatite, whether or not roughly trimmed     $1,672 
Natural borates and concentrates thereof     $301 
Mineral substances $2,008$15,616$667$6,457$368$1,976
Total$21,207$704,560$230,406$1,329,026$390,207$3,592,839$763,148