Sub-Chapter2005200620072008200920102011
Salt (including table salt)$31,204$47,516$60,089$157,778$221,662$215,078$174,919
Unroasted iron pyrites.$1,379,947$15,942$16,021$25,922$117,541  
Natural graphite.$1,290 $10,832$10,626$10,988$12,047$802
Natural sands of all kinds$968,156$39,275$276,943$415,228$457,090$945,797$550,814
Quartz (other than natural sands); quartzite $35,578$416,768$492,104$298,755$299,123$544,681
Kaolin and other kaolinic clays, whether or not calcined.$495,782$126,592$91,634$99,733$86,215$151,478$214,183
Other clays (not including expanded clays of heading 68.06), andalusite, ky ...$901,291$1,265,559$1,820,933$2,184,901$1,650,912$2,113,047$1,552,534
Chalk.$6,849$4,849$5,374$14,229$5,520$3,535$8,750
Natural calcium phosphates $14,718$9,580$19,427 $63,241$28,094
Natural barium sulphate (barytes)$279,298$433,957$1,174,392$1,281,321$1,402,800$2,219,155$1,032,034
Siliceous fossil meals$1,752$308,652$504,944$150,461$54,542 $536
Pumice stone; emery; other natural abrasives$545$27,008$1,186$1,880  $33,808
Slate   $93  $1,033
Marble, travertine, ecaussine and other stone$159,833$78,604$57,849$71,209$88,800$265,135$50,940
Granite, porphyry, basalt, sandstone and other stone$77,868$47$180,588$54,176$45,729$117,478$334,449
Pebbles, gravel, broken or crushed stone$50$7,714$39,501$63,138$72,289$32,181$72,829
Dolomite, whether or not calcined or sintered$26,961$29$539 $22,673 $1,200
Natural magnesium carbonate (magnesite)$554$11,523$404$32,289   
Gypsum; anhydrite; plasters$297,486$509,109$425,772$734,855$670,817$1,238,819$917,803
Limestone flux; limestone$12,714$7,319$6,728$4,087$444,962 $3,612
Quicklime, slaked lime and hydraulic lime$64,571$68,234$117,314$79,734$87,603$83,177$37,000
Portland cement, aluminous cement, slag cement$89,052,795$107,170,365$108,880,795$89,069,475$76,881,195$49,941,339$32,169,333
Asbestos. $532 $4,544  $3,414
Mica, including splitings; mica waste.$85,910$64,475$212,156$184,063$29,598$64,262$14,530
Natural steatite, whether or not roughly trimmed$601,214$674,983$172,646$87,003$156,708$168,984$285,595
Natural borates and concentrates thereof$68,354$29,666$3,249$1,585$464  
Felspar; leucite and nepheline syenite     $7,590 
Mineral substances$1,039,294$1,424,615$1,737,193$2,415,518$2,643,567$2,328,203$1,081,248
Total$95,553,718$112,366,861$116,223,430$97,655,379$85,450,430$60,269,669$39,114,141