Sub-Chapter200520062007200820092010
Salt (including table salt)$1,020,763$1,078,420$733,141$286,369$125,401$1,471,003
Unroasted iron pyrites.   $114 $329
Natural graphite.     $1,563
Natural sands of all kinds $4,003 $2,517 $2,166
Kaolin and other kaolinic clays, whether or not calcined.$1,219$3,582$3,235$6,790$31,523$15,220
Other clays (not including expanded clays of heading 68.06), andalusite, ky ...$5,679$987 $37,136$25,537$1,237
Chalk.$19,969$4,357$15,740$23,651$39,072$39,014
Natural calcium phosphates    $6,199$1,412
Natural barium sulphate (barytes)  $939   
Siliceous fossil meals$64,881$205,257$260,477$256,850$271,003$279,136
Pumice stone; emery; other natural abrasives $116  $796 
Marble, travertine, ecaussine and other stone$16,510$186    
Granite, porphyry, basalt, sandstone and other stone     $1,659
Pebbles, gravel, broken or crushed stone   $1,597$1,596$91,139
Natural magnesium carbonate (magnesite) $4,170  $77 
Gypsum; anhydrite; plasters$7,459$12,041$6,940$711$150$17,455
Quicklime, slaked lime and hydraulic lime$50,590$93,006$92,745$86,128$678,943$129,292
Portland cement, aluminous cement, slag cement$11,669,781$11,868,162$20,889,965$21,011,335$253,719$34,936,946
Mica, including splitings; mica waste. $3,789   $176
Natural steatite, whether or not roughly trimmed$6,543$11,597$7,919$2,977$574$33,348
Natural borates and concentrates thereof $17,313  $163 
Mineral substances$939$23,331   $8
Total$12,864,333$13,330,317$22,011,101$21,716,175$1,434,753$37,021,103