Sub-Chapter200520062007200820092010
Salt (including table salt)$13,902,965$12,902,482$10,796,079$15,335,586$23,210,398$36,418,451
Natural sands of all kinds$637,093$1,810,373$1,746,578$1,904,027$1,775,754$2,559,318
Quartz (other than natural sands); quartzite   $236$271$1,219
Kaolin and other kaolinic clays, whether or not calcined.$75,622$35,324$56,069$158,505$150,431$104,355
Other clays (not including expanded clays of heading 68.06), andalusite, ky ...$224,953$371,799$660,024$718,720$286,006$427,726
Chalk.$29,180$47,806 $14,068$14,073$14,694
Natural calcium phosphates$26,581,369$26,742,918$55,459,505$147,511,957$40,751,440$56,902,504
Natural barium sulphate (barytes)$1,028,486$1,396,512$2,958,391$3,953,919$4,851,298$5,636,550
Siliceous fossil meals  $7,370$897  
Pumice stone; emery; other natural abrasives$154,281$258,520$195,748$355,850$376,779$508,689
Marble, travertine, ecaussine and other stone$6,301,046$7,142,322$8,691,064$14,984,681$12,219,713$14,112,611
Granite, porphyry, basalt, sandstone and other stone$18,380$40,321$41,292$139,577$386,371$227,968
Pebbles, gravel, broken or crushed stone$1,645,102$809,765$995,793$1,319,669$799,842$503,833
Dolomite, whether or not calcined or sintered$2 $5,579$4,119$1,336 
Natural magnesium carbonate (magnesite) $2,892 $37$28,267$7,732
Gypsum; anhydrite; plasters$7,434,023$9,766,176$11,529,985$15,077,686$16,843,469$18,326,416
Limestone flux; limestone  $2,502   
Quicklime, slaked lime and hydraulic lime$134,230$353,511$1,316,913$1,395,205$2,318,498$1,752,884
Portland cement, aluminous cement, slag cement$58,617,188$81,454,601$118,548,899$153,127,376$98,424,666$104,041,291
Asbestos.$14,835$33,294  $83,255$55,670
Mica, including splitings; mica waste.$31,960$21,630$52,137$85,136$12,894$65,910
Natural steatite, whether or not roughly trimmed$88,570$117,935$76,633$40,457$58,613$99,172
Natural borates and concentrates thereof$440$2,687$7,748$817 $2,532
Felspar; leucite and nepheline syenite $398$8,606$459 $54
Mineral substances$2,258$16,832$19,871$73,522$76,256$13,765
Total$116,921,983$143,328,098$213,176,786$356,202,506$202,669,630$241,783,344