Sub-Chapter200520062007200820092010
Salt (including table salt)$1,025,211$1,123,211$1,569,817$1,625,084$2,135,331$1,886,470
Unroasted iron pyrites. $205$31   
Natural graphite.$193$8,156$4,856$16,273$4,092$4,458
Natural sands of all kinds$691,969$451,402$685,264$443,385$1,599,564$698,478
Quartz (other than natural sands); quartzite$83$4,229$1,487$518$2,460$386
Kaolin and other kaolinic clays, whether or not calcined.$28,485$37,243$56,484$61,126$28,133$58,318
Other clays (not including expanded clays of heading 68.06), andalusite, ky ...$53,179$60,915$79,742$187,441$125,889$97,536
Chalk.$25,318$282$389$569$162$117
Natural calcium phosphates$2,126 $40,838$40,468$799$7,250
Natural barium sulphate (barytes)$12,160$184,765$17,430$18,853$8,625$1,449
Siliceous fossil meals$102,341$149,883$138,373$133,786$105,330$80,146
Pumice stone; emery; other natural abrasives$68$219$2$505$45$745
Slate$18,439$58,618$52,721$61,548$46,426$83,494
Marble, travertine, ecaussine and other stone$7,322$3,443$12,219$33,405$20,282$50,912
Granite, porphyry, basalt, sandstone and other stone$147,088$280,490$561,549$830,677$526,749$421,164
Pebbles, gravel, broken or crushed stone$3,210,733$55,431$176,783$151,293$39,787$54,231
Dolomite, whether or not calcined or sintered  $24 $22 
Natural magnesium carbonate (magnesite)$37,535$6,480$8,918$8,557$2,397$12,085
Gypsum; anhydrite; plasters$96,234$46,671$26,547$188,187$19,450$27,828
Limestone flux; limestone$189$815,358$4$796$904$5,000
Quicklime, slaked lime and hydraulic lime$3,312,178$6,108,167$6,107,490$4,972,145$526,030$661,466
Portland cement, aluminous cement, slag cement$8,511,608$33,260,185$13,405,079$32,572,260$17,883,224$17,693,113
Asbestos.  $4,701$1,969$4,363 
Mica, including splitings; mica waste.$11,235$45,057$59,205$42,547$100,705$56,236
Natural steatite, whether or not roughly trimmed$181,599$218,228$304,209$314,114$217,187$419,260
Natural borates and concentrates thereof $12$6,995$132$10,177 
Felspar; leucite and nepheline syenite $102$504 $342 
Mineral substances$92,888$183,381$131,238$120,914$83,252$101,970
Total$17,568,181$43,102,133$23,452,899$41,826,552$23,491,727$22,422,112