Sub-Chapter2005200620072008200920102011
Salt (including table salt)$180,995,000$209,712,000$172,614,000$196,496,000$212,454,000$240,012,186$244,304,459
Unroasted iron pyrites.$119,000$219,000$290,000$305,000$253,000$227,903$327,799
Natural graphite.$13,972,000$18,259,000$22,083,000$21,764,000$17,363,000$25,264,092$29,612,612
Natural sands of all kinds$138,051,000$171,689,000$185,101,000$189,074,000$174,054,000$153,633,027$188,991,341
Quartz (other than natural sands); quartzite$9,005,000$14,496,000$13,254,000$18,685,000$12,941,000$18,914,612$24,402,236
Kaolin and other kaolinic clays, whether or not calcined.$59,319,000$74,794,000$80,585,000$79,178,000$62,376,000$67,669,924$78,177,543
Other clays (not including expanded clays of heading 68.06), andalusite, ky ...$141,978,000$160,008,000$181,957,000$192,022,000$145,307,000$169,072,120$194,166,200
Chalk.$7,541,000$9,558,000$12,077,000$12,763,000$10,543,000$12,286,879$18,038,686
Natural calcium phosphates$244,000$85,000$162,000$143,000$66,000$132,502$515,661
Natural barium sulphate (barytes)$8,818,000$8,831,000$12,150,000$13,460,000   
Siliceous fossil meals$4,267,000$6,115,000$5,987,000$5,975,000$4,018,000$4,543,482$9,542,141
Pumice stone; emery; other natural abrasives$5,898,000$8,141,000$9,188,000$12,539,000$9,793,000$6,601,233$10,789,936
Slate$1,913,000$1,990,000$2,112,000$2,307,000$2,513,000$2,488,381$3,053,518
Marble, travertine, ecaussine and other stone$5,321,000$8,376,000$12,475,000$15,690,000$18,400,000$28,164,554$47,374,971
Granite, porphyry, basalt, sandstone and other stone$11,793,000$14,315,000$16,540,000$16,889,000$17,404,000$14,649,384$13,474,890
Pebbles, gravel, broken or crushed stone$234,795,000$276,448,000$303,822,000$366,214,000$355,646,000$293,840,986$348,556,110
Dolomite, whether or not calcined or sintered$13,193,000$15,230,000$16,947,000$24,320,000$16,735,000$19,263,092$20,443,597
Natural magnesium carbonate (magnesite)$38,172,000$44,697,000$42,294,000$43,878,000$38,350,000$61,034,241$57,599,340
Gypsum; anhydrite; plasters$91,299,000$109,876,000$135,909,000$156,815,000$129,560,000$133,397,373$147,949,153
Limestone flux; limestone$2,539,000$3,642,000$4,457,000$6,241,000$3,677,000$5,288,141$6,822,372
Quicklime, slaked lime and hydraulic lime$91,044,000$101,875,000$127,646,000$151,492,000$107,434,000$100,613,811$112,981,783
Portland cement, aluminous cement, slag cement$460,426,000$521,101,000$659,641,000$826,191,000$672,083,000$608,912,712$755,186,111
Asbestos.$1,000 $2,000$2,000$2,000$6,625$7,942
Mica, including splitings; mica waste.$4,256,000$4,328,000$6,385,000$7,847,000$4,356,000$5,655,171$6,400,659
Natural steatite, whether or not roughly trimmed$3,083,000$3,293,000$4,416,000$5,552,000$3,914,000$4,551,432$6,579,805
Natural borates and concentrates thereof$30,000$109,000$186,000$220,000$131,000$49,026$105,667
Felspar; leucite and nepheline syenite$18,241,000$24,516,000$30,568,000$35,615,000$24,652,000$26,232,679$34,526,977
Mineral substances$228,809,000$239,146,000$263,923,000$317,577,000$217,416,000$248,889,798$317,568,861
Total$1,775,122,000$2,050,849,000$2,322,771,000$2,719,254,000$2,261,441,000$2,251,395,366$2,677,500,370