Sub-Chapter200520062007200820092010
Salt (including table salt)$95,119$88,649$84,567$89,471$136,724$126,162
Unroasted iron pyrites.$3,059$1,964  $5,725$41
Natural graphite.   $48$614$19,854
Natural sands of all kinds     $327
Kaolin and other kaolinic clays, whether or not calcined.$3,917$2,138$1,777   
Other clays (not including expanded clays of heading 68.06), andalusite, ky ...    $47$319
Chalk.$11,104$15,569$7,811$3,092$3,583$3,152
Natural calcium phosphates   $5,356  
Natural barium sulphate (barytes)   $849  
Siliceous fossil meals $273    
Slate $3,882$291$256  
Marble, travertine, ecaussine and other stone   $3,197$602 
Granite, porphyry, basalt, sandstone and other stone   $9 $1,501
Pebbles, gravel, broken or crushed stone   $14$2,262$8,744
Dolomite, whether or not calcined or sintered   $3,588  
Natural magnesium carbonate (magnesite)     $12,464
Gypsum; anhydrite; plasters   $39,248$7,583$36,936
Limestone flux; limestone$7,774$6,969$12,179$1,566 $4,470
Quicklime, slaked lime and hydraulic lime   $10,509$37$130
Portland cement, aluminous cement, slag cement   $1,589,869$1,559,333$1,587,502
Asbestos.$8,502$38,645$34,702$27,343$26,102$11,331
Mica, including splitings; mica waste.    $3,066$1,385
Natural steatite, whether or not roughly trimmed   $8,961$976$187
Natural borates and concentrates thereof   $3,468  
Mineral substances     $14,785
Total$129,475$158,089$141,327$1,786,844$1,746,654$1,829,290