Sub-Chapter20052006200720082010
Salt (including table salt)$16,539,246$18,187,999$22,005,956$21,528,792$24,410,025
Unroasted iron pyrites.$10,495 $6,593$337,393$107,162
Natural graphite.$278,148$334,320$252,533$720,946$938,084
Natural sands of all kinds$5,765,194$3,096,462$3,187,494$6,042,079$3,467,877
Quartz (other than natural sands); quartzite$1,441,701$1,018,722$484,751$69,779$83,269
Kaolin and other kaolinic clays, whether or not calcined.$22,458$808,662$102,368$101,330$46,639
Other clays (not including expanded clays of heading 68.06), andalusite, ky ...$1,937,658$3,291,780$1,542,298$4,165,539$4,101,667
Chalk.$379,216$75,284$542,598$129,642$481,266
Natural calcium phosphates$17,858$567,151$2,973$2,123,504 
Natural barium sulphate (barytes)$308,254$400,841$950,545$5,150,195$1,507,989
Siliceous fossil meals$2,906$234,275$95,719$102,179$314,857
Pumice stone; emery; other natural abrasives$227,599$229,017$493,929$113,973$49,655
Slate$16,841$173,776$58,724$230,069$275
Marble, travertine, ecaussine and other stone$14,719,086$13,376,026$8,953,529$14,435,324$6,829,780
Granite, porphyry, basalt, sandstone and other stone$3,701,787$6,705,048$7,865,377$10,435,889$4,536,139
Pebbles, gravel, broken or crushed stone$53,169,832$126,941,095$277,336,352$311,966,353$165,550,422
Dolomite, whether or not calcined or sintered$159,538$921,208$104,210$173,181$3,073,447
Natural magnesium carbonate (magnesite)$344,216$92,001$221,217$147,762$403,610
Gypsum; anhydrite; plasters$1,641,555$2,230,713$3,908,649$4,507,230$6,571,091
Limestone flux; limestone$4,386,842$5,741,545$6,401,971$4,644,825$2,231,138
Quicklime, slaked lime and hydraulic lime$2,291,398$2,239,550$1,256,700$1,581,886$3,619,287
Portland cement, aluminous cement, slag cement$173,556,308$120,284,586$185,865,807$324,445,382$92,841,361
Asbestos.$293,850 $1,602$28,608 
Mica, including splitings; mica waste.$3,564$15,428$47,096$77,893$145,756
Natural steatite, whether or not roughly trimmed$39,464$29,730$93,631$218,829$712,852
Natural borates and concentrates thereof$22,765$225,330$68,530$40,870$24,385
Felspar; leucite and nepheline syenite$21,124$44,509$46,054$59,084$41,784
Mineral substances$148,603$1,747,966$5,147,834$2,358,103$2,102,000
Total$281,447,506$309,013,024$527,045,040$715,936,639$324,191,817