Sub-Chapter200520062007200820092010
Natural graphite. $29 $25  
Natural sands of all kinds$222$293$300$180$351$50
Kaolin and other kaolinic clays, whether or not calcined.$5     
Slate$500     
Granite, porphyry, basalt, sandstone and other stone   $500 $40
Pebbles, gravel, broken or crushed stone$704$352$4,785$1,815$716$362
Dolomite, whether or not calcined or sintered$41,274     
Portland cement, aluminous cement, slag cement$23 $24,411$7,082  
Mineral substances $152$25 $50 
Total$42,728$826$29,521$9,602$1,117$452