Sub-Chapter2005200620072008200920102011
Salt (including table salt) $1,780$422$13,000 $907$7,166
Natural graphite.$3,451  $481   
Natural sands of all kinds$350,008$393,404$111,131$97,423$542,414$474,380$87,790
Quartz (other than natural sands); quartzite$178$2,009$5,080$4,721$13,434$5,386$15,788
Other clays (not including expanded clays of heading 68.06), andalusite, ky ...$446,212$439,356$479,744$147,380$126,377$216,930$308,912
Chalk.$2,122$4,226$2,483$1,259$726$268 
Natural barium sulphate (barytes)    $945,237$1,348,966$1,034,024
Siliceous fossil meals$316  $29,900   
Slate$685,571$569,258$511,094$507,536$794,853$721,045$954,000
Marble, travertine, ecaussine and other stone$42,696$9,106$28,859$151,001$284,823$543,096$438,821
Granite, porphyry, basalt, sandstone and other stone$394,288$512,855$521,632$572,110$930,193$1,422,783$907,103
Pebbles, gravel, broken or crushed stone$17,256$9,860$163,139$42,171$172,226$63,722$219,943
Dolomite, whether or not calcined or sintered$162,765$134,732$93,843$224,368$169,938$135,977$243,517
Natural magnesium carbonate (magnesite)   $30,000 $167$14,556
Gypsum; anhydrite; plasters$241,150$435,303$652,100$540$18,686$32$2,048
Limestone flux; limestone$857,075$1,620,229$1,534,935$2,452,633$2,516,198$2,580,708$2,324,453
Quicklime, slaked lime and hydraulic lime   $1,363   
Portland cement, aluminous cement, slag cement$13,072,826$21,264,928$40,049,415$47,124,942$737,410$258,140$8,283,625
Asbestos.    $5,000  
Mica, including splitings; mica waste.   $8,002   
Natural steatite, whether or not roughly trimmed    $96  
Felspar; leucite and nepheline syenite$653,884$447,508$236,217$254,618$93,652$44,045$14,129
Mineral substances$321$987$157$4,065$4,220$10,648$15,656
Total$16,930,119$25,845,541$44,390,251$51,667,513$7,355,483$7,827,200$14,871,531