Sub-Chapter2005200720102011
Salt (including table salt)$68,902$127,409$158,792$276,985
Unroasted iron pyrites.$2,057   
Natural graphite.$471$84  
Natural sands of all kinds$7,347$25,407$13,432$2,419
Other clays (not including expanded clays of heading 68.06), andalusite, ky ...$156,824$6,159$28,540$9,189
Chalk.$25,899$31,728$179,508$5,094
Natural barium sulphate (barytes)$8,979   
Siliceous fossil meals$36,937$80,403$92,313$115,989
Pumice stone; emery; other natural abrasives  $6,293 
Marble, travertine, ecaussine and other stone$7,789,342$7,476,868$9,263,926$10,617,289
Pebbles, gravel, broken or crushed stone   $2,179
Natural magnesium carbonate (magnesite)  $7,946 
Gypsum; anhydrite; plasters$1,209,946$2,771,202$2,807,256$5,303,088
Limestone flux; limestone   $1,531
Quicklime, slaked lime and hydraulic lime$189,655$240,122$251,711$407,789
Portland cement, aluminous cement, slag cement$37,301,388$63,660,451$71,056,752$93,292,647
Asbestos.$773   
Mica, including splitings; mica waste. $9,791  
Natural borates and concentrates thereof   $1,059
Mineral substances$45,227$87,478$79,855$118,890
Total$46,843,747$74,517,102$83,946,324$110,154,148