Sub-Chapter200520062007200820092010
Salt (including table salt)$446,331$592,229$601,285$1,714,943$636,231$449,858
Natural graphite.$443$23 $108  
Natural sands of all kinds$138,911$1,461,927$136,327$242,127$180,018$181,840
Quartz (other than natural sands); quartzite    $112,684$974
Other clays (not including expanded clays of heading 68.06), andalusite, ky ...$405,721$2,510$19,408$35,416$4,327$38,907
Chalk.$27$3,379$6,104$8$51$1,801
Natural calcium phosphates   $20$19 
Natural barium sulphate (barytes)$769,065$969,517 $742,444  
Siliceous fossil meals$18,608$4,256$186$5,373$1,260$6,442
Slate $254 $159  
Granite, porphyry, basalt, sandstone and other stone$4,010$234$920$1,018 $1,859
Pebbles, gravel, broken or crushed stone$38,974$108,105$16,729$42,962$93,352$5,105
Natural magnesium carbonate (magnesite) $238    
Gypsum; anhydrite; plasters$16$9,169$47,889$4,933$9,089$1,700
Limestone flux; limestone$5,600$854$43$143,620 $55
Quicklime, slaked lime and hydraulic lime$12,655$691$948 $1,526 
Portland cement, aluminous cement, slag cement$8,329,643$21,509,942$20,894,768$26,738,385$13,741,356$12,462,630
Mica, including splitings; mica waste.$3,531     
Natural steatite, whether or not roughly trimmed$959$437$16,253$4,919$763 
Natural borates and concentrates thereof    $238 
Mineral substances$14,914$26,386$11,666$16,095$18,486$3,592
Total$10,189,408$24,690,151$21,752,526$29,692,530$14,799,400$13,154,763