Sub-Chapter20052007200820092010
Salt (including table salt) $6,070   
Natural sands of all kinds $471 $542$928
Kaolin and other kaolinic clays, whether or not calcined.$64    
Other clays (not including expanded clays of heading 68.06), andalusite, ky ...$9,323 $20$435 
Marble, travertine, ecaussine and other stone $631   
Granite, porphyry, basalt, sandstone and other stone $647 $1,171 
Pebbles, gravel, broken or crushed stone$599$235$268$1,006$1,107
Dolomite, whether or not calcined or sintered$309,361$426,438$286,110$609,420$1,300,710
Portland cement, aluminous cement, slag cement$10,043$14,894$494,974$7,578,315$2,209,909
Natural steatite, whether or not roughly trimmed $2,194   
Natural borates and concentrates thereof   $7,089 
Mineral substances$347   $5,164
Total$329,737$451,580$781,372$8,197,978$3,517,818