Sub-Chapter2005200620072008200920102011
Salt (including table salt)$2,371,530$2,707,875$3,116,604$4,129,156$2,964,360$4,129,839$5,346,895
Unroasted iron pyrites.  $32,227$13,175$10,282$152,537$264,751
Natural graphite.$10,765$28,398$72,594$124,167$65,578$87,784$219,549
Natural sands of all kinds$2,984,388$2,786,862$3,121,057$5,902,132$1,481,825$6,501,450$4,158,301
Quartz (other than natural sands); quartzite$92,491$13,696$97,929$266,939$109,600$201,542$165,245
Kaolin and other kaolinic clays, whether or not calcined.$1,455,096$1,857,002$2,304,733$3,125,225$2,656,537$3,061,976$3,412,916
Other clays (not including expanded clays of heading 68.06), andalusite, ky ...$986,827$1,755,443$2,189,820$2,519,523$1,665,111$3,435,646$3,891,995
Chalk.$4,303$48,474$35,239$144,705$81,758$164,680$397,960
Natural calcium phosphates$1,610,440$2,113,247$7,179,799$35,175,261$16,124,246$19,645,813$14,718,742
Natural barium sulphate (barytes)$2,252$51,575$6,942$24,411$3,120$4,709$22,487
Siliceous fossil meals$1,209,030$1,107,085$1,027,801$1,660,873$1,604,926$727,008$1,114,337
Pumice stone; emery; other natural abrasives$12,242$11,233$16,525$23,940$19,848$30,246$18,210
Slate$34,727$70,430$47,717$211,523$39,340$134,861$36,627
Marble, travertine, ecaussine and other stone$51,716$100,036$181,908$179,946$109,120$237,107$264,568
Granite, porphyry, basalt, sandstone and other stone$3,436$11,354$1,483$40,723$66,148$248,252$730,806
Pebbles, gravel, broken or crushed stone$31,089$91,320$39,447$76,024$167,580$409,722$565,992
Dolomite, whether or not calcined or sintered$13,870$8,687$35,293$108,350$113,695$169,984$207,879
Natural magnesium carbonate (magnesite)$1,303,135$2,182,439$2,078,309$2,846,221$1,127,745$1,867,255$2,631,733
Gypsum; anhydrite; plasters$153,435$209,886$206,412$358,026$1,711,663$2,760,706$3,071,903
Quicklime, slaked lime and hydraulic lime$977,074$398,414$164,464 $44,247$51,706$102,456
Portland cement, aluminous cement, slag cement$3,969,744$7,532,310$9,950,019$34,753,087$16,799,537$76,165,075$74,555,767
Asbestos.$631,047$683,582$758,703$924,353$571,748$630,943$912,841
Mica, including splitings; mica waste.$69,607$121,409$119,531$124,409$100,132$159,563$180,000
Natural steatite, whether or not roughly trimmed$488,643$522,960$848,566$862,689$1,007,480$1,430,412$1,497,653
Natural borates and concentrates thereof$173,667$416,853$558,718$498,463$692,790$956,672$999,013
Felspar; leucite and nepheline syenite$557,350$399,215$524,414$761,318$549,574$1,540,292$1,604,558
Mineral substances$2,134,089$2,681,354$2,583,677$4,745,983$4,844,307$4,912,908$6,296,152
Total$21,331,993$27,911,139$37,299,931$99,600,622$54,732,297$129,818,688$127,389,336