Sub-Chapter200520062007200820092010
Salt (including table salt)$20,991,822$21,102,987$26,773,899$44,751,098$57,246,910$62,652,072
Unroasted iron pyrites.$1,513,551$1,666,175$1,702,320$1,782,162$1,306,723$1,877,118
Natural graphite.$4,265,343$4,678,412$5,991,042$9,118,919$6,296,439$9,461,668
Natural sands of all kinds$9,973,061$10,863,486$13,412,981$14,371,406$11,171,570$9,528,903
Quartz (other than natural sands); quartzite$92,782$45,096$71,679$138,807$119,914$208,725
Kaolin and other kaolinic clays, whether or not calcined.$738,641$816,657$780,552$694,476$1,320,655$1,506,272
Other clays (not including expanded clays of heading 68.06), andalusite, ky ...$3,155,328$2,853,078$2,136,354$1,912,473$1,726,784$1,818,807
Chalk.$2,000,515$2,305,854$2,430,565$2,697,900$2,222,767$2,020,257
Natural calcium phosphates$5,500$47,639  $149,934$12,571
Natural barium sulphate (barytes)$503,563$1,730,182$1,034,442$864,984$495,595$174,889
Siliceous fossil meals$3,023,329$2,747,908$3,987,654$2,824,015$2,985,458$2,966,430
Pumice stone; emery; other natural abrasives$24,536$25,453$40,943$64,292$73,415$40,960
Slate$4,855$7,070$3,634$18,126$16,444$16,064
Marble, travertine, ecaussine and other stone$2,493,574$2,799,572$4,965,542$5,923,848$6,250,721$4,090,795
Granite, porphyry, basalt, sandstone and other stone$2,642,406$3,748,219$5,211,086$4,316,107$4,329,707$2,969,315
Pebbles, gravel, broken or crushed stone$131,040,425$136,497,239$162,539,038$156,566,788$130,929,281$137,972,863
Dolomite, whether or not calcined or sintered$607,617$681,118$907,450$858,737$102,939$64,137
Natural magnesium carbonate (magnesite)$14,680,596$13,242,745$19,442,386$8,537,921$9,099,629$12,808,160
Gypsum; anhydrite; plasters$10,593,546$11,901,706$16,892,363$14,177,407$12,545,711$9,546,648
Limestone flux; limestone$5,833,621$5,420,521$5,827,974$5,976,899$6,344,538$5,767,849
Quicklime, slaked lime and hydraulic lime$4,261,822$5,445,440$7,523,392$8,862,124$6,114,088$4,453,117
Portland cement, aluminous cement, slag cement$19,446,340$28,152,606$48,556,759$61,356,513$45,652,872$30,824,061
Mica, including splitings; mica waste.$2,353,624$2,148,496$2,570,698$2,882,336$2,173,307$2,759,343
Natural steatite, whether or not roughly trimmed$49,793,525$55,552,656$61,293,084$56,908,563$46,713,006$47,724,125
Natural borates and concentrates thereof  $12,853 $63$696
Felspar; leucite and nepheline syenite$1,165,390$1,108,235$1,009,437$1,105,669$973,859$909,809
Mineral substances$12,072,484$13,997,367$16,404,454$27,312,385$29,319,758$30,019,086
Total$303,277,796$329,585,917$411,522,581$434,023,955$385,682,087$382,194,740