Sub-Chapter2005200620072008200920102011
Salt (including table salt)$1,449,493$2,376,942$2,173,468$3,120,530$2,224,747$2,882,207$3,271,224
Unroasted iron pyrites.      $9,819
Natural graphite.$1,566$2,002$1,682$2,862$2,447$907$8,214
Natural sands of all kinds$275,335$218,287$180,717$131,046$150,959$185,194$254,732
Quartz (other than natural sands); quartzite $13$5,497$1,125$50 $701
Kaolin and other kaolinic clays, whether or not calcined. $581$774 $11,513 $6,124
Other clays (not including expanded clays of heading 68.06), andalusite, ky ...$34,839$49,986$18,137$60,393$50,863$267,818$287,034
Chalk.$25,086$97,274$159,415$48,758$21,033$26,938$437,065
Natural calcium phosphates $1,177 $151,998$49,608  
Siliceous fossil meals$73,977$84,032$109,063$128,193$154,472$122,368$143,652
Pumice stone; emery; other natural abrasives$224$1,388$1,334$8,964$15,596$20,705$21,584
Marble, travertine, ecaussine and other stone  $62,926  $19,457$1,403
Granite, porphyry, basalt, sandstone and other stone$152,776$105,160$29,187$207,419$107,868$11$344
Pebbles, gravel, broken or crushed stone$274,614$407,528$844,046$1,438,857$2,550,643$1,299,667$961,384
Dolomite, whether or not calcined or sintered$5,902$56,076$74,734$25,276$17,796$46,211$24,089
Natural magnesium carbonate (magnesite) $612$1,293$1,641$179  
Gypsum; anhydrite; plasters$5,939,589$9,467,727$13,061,019$13,758,802$8,148,372$7,741,055$8,250,851
Limestone flux; limestone$19,557$3,179$6,533  $57,822$847
Quicklime, slaked lime and hydraulic lime$11,518  $5,195$16,120$10,082$21,359
Portland cement, aluminous cement, slag cement$1,281,174$902,077$9,042,166$34,218,923$10,547,027$40,653,914$67,494,887
Asbestos.$572$1,719$139$254   
Mica, including splitings; mica waste.$87 $2,495    
Natural steatite, whether or not roughly trimmed$99$114$72$8$68$151$2,958
Natural borates and concentrates thereof$25$292$664    
Felspar; leucite and nepheline syenite$547      
Mineral substances$113,538$9,246$18,661$20,982$7,802$448,376$1,392,100
Total$9,660,518$13,785,412$25,794,022$53,331,226$24,077,163$53,782,883$82,590,371