Sub-Chapter2005200620072008200920102011
Salt (including table salt)$7,191,576$5,194,520$5,610,614$5,479,288$10,970,186$9,242,045$12,579,578
Unroasted iron pyrites.$444,604$546,877$247,632$67,702$47,960$50,266$106,765
Natural graphite.$912,137$976,068$1,137,483$1,330,989$508,205$1,309,279$1,378,680
Natural sands of all kinds$32,060,738$34,186,380$42,411,764$49,054,591$43,682,886$47,157,191$57,573,686
Quartz (other than natural sands); quartzite$2,906,747$3,670,031$3,777,819$3,951,542$2,793,403$3,510,506$4,259,233
Kaolin and other kaolinic clays, whether or not calcined.$9,917,237$10,882,362$13,929,504$13,201,685$10,816,692$8,322,012$7,704,097
Other clays (not including expanded clays of heading 68.06), andalusite, ky ...$12,266,878$13,916,162$15,192,748$15,731,511$12,874,154$14,056,160$15,619,864
Chalk.$1,710,427$1,144,603$1,222,752$927,988$948,485$1,000,781$1,096,039
Natural calcium phosphates$225,825$140,172$196,323$183,911$218,306$220,890$441,907
Natural barium sulphate (barytes)$727,205$784,837$1,043,465$1,555,303$1,101,679$1,262,073$1,501,305
Siliceous fossil meals$2,072,527$2,206,865$3,054,912$3,198,937$3,360,145$4,139,560$2,667,708
Pumice stone; emery; other natural abrasives$898,877$808,809$733,618$830,514$575,136$739,463$1,237,177
Slate$1,342,060$1,427,984$1,139,375$1,137,286$1,088,478$1,626,621$1,750,028
Marble, travertine, ecaussine and other stone$7,228,193$6,445,948$6,412,723$7,567,935$7,349,982$6,839,632$8,787,654
Granite, porphyry, basalt, sandstone and other stone$12,512,252$15,073,288$15,939,527$17,630,610$16,383,252$19,533,731$26,400,187
Pebbles, gravel, broken or crushed stone$87,566,483$99,922,884$118,705,449$122,901,801$124,783,670$137,237,241$156,623,988
Dolomite, whether or not calcined or sintered$1,768,929$1,464,481$2,359,994$2,569,610$2,182,700$2,634,583$2,872,810
Natural magnesium carbonate (magnesite)$2,251,010$2,835,085$2,969,732$3,718,643$3,033,437$3,243,497$4,143,462
Gypsum; anhydrite; plasters$15,124,324$17,467,399$20,635,799$22,481,914$20,569,169$22,827,775$23,725,516
Limestone flux; limestone$817,474$952,236$1,354,527$1,542,220$1,546,750$2,337,450$3,171,511
Quicklime, slaked lime and hydraulic lime$7,684,347$6,728,228$6,527,023$7,187,873$5,971,103$6,112,588$6,645,997
Portland cement, aluminous cement, slag cement$42,539,155$49,843,405$43,424,691$49,142,683$51,294,779$62,761,690$73,966,587
Asbestos.  $3,207$1,691$92$3,678$8,547
Mica, including splitings; mica waste.$567,703$483,152$577,404$762,953$577,811$799,364$821,100
Natural steatite, whether or not roughly trimmed$3,617,393$3,994,759$4,550,928$4,481,665$3,740,118$3,868,749$3,669,031
Natural borates and concentrates thereof$63,310$81,148$80,101$101,541$64,949$76,930$98,112
Felspar; leucite and nepheline syenite$1,220,825$1,083,357$1,389,344$1,443,688$1,149,070$1,254,149$1,225,504
Mineral substances$8,470,514$8,393,266$7,924,841$10,593,293$8,910,229$9,945,012$12,419,860
Total$264,108,750$290,654,306$322,553,299$348,779,367$336,542,826$372,112,916$432,495,933