Sub-Chapter200520062007200820092010
Salt (including table salt)$3,542,577$2,783,079$3,300,160  $6,288,541
Unroasted iron pyrites.$25,015$1,635,220$1,215,311   
Natural graphite.$359,835$819,026$968,482  $4,713,606
Natural sands of all kinds$4,309,343$7,424,338$10,598,004$737,868 $7,574,943
Quartz (other than natural sands); quartzite$213,202$125,147$78,858   
Kaolin and other kaolinic clays, whether or not calcined.$9,043,750$14,096,881$17,527,493$4,402,939$1,559,866$26,634,700
Other clays (not including expanded clays of heading 68.06), andalusite, ky ...$9,517,521$20,016,151$23,848,161$110,667 $21,269,093
Chalk.$235,163$132,691$89,723  $141,867
Natural calcium phosphates$2,281,735$2,653,944$2,708,682$977,335$2,193,520$3,229,071
Natural barium sulphate (barytes)$5,207,528$9,772,348$18,755,773 $25,489,639$39,239,516
Siliceous fossil meals$6,631,463$8,240,118$10,186,725  $2,530,136
Pumice stone; emery; other natural abrasives$493,075$1,606,638$25,899   
Slate$1,031,986$1,079,364$1,175,179  $2,195,736
Marble, travertine, ecaussine and other stone$3,475,396$3,015,532$2,698,371  $1,910,936
Granite, porphyry, basalt, sandstone and other stone$4,145,385$3,782,826$5,912,268  $455,201
Pebbles, gravel, broken or crushed stone$5,053,241$2,648,641$5,281,999  $4,656,539
Dolomite, whether or not calcined or sintered$191,497$756,049$359,725  $708,801
Natural magnesium carbonate (magnesite)$2,962,537$2,298,122$2,313,629  $3,641,071
Gypsum; anhydrite; plasters$5,198,402$4,605,557$6,907,121$5,942,141$5,687,151$8,768,011
Limestone flux; limestone$6,027,380$6,686,985$9,928,888  $180,267
Quicklime, slaked lime and hydraulic lime$979,226$669,712$1,258,648  $2,426,403
Portland cement, aluminous cement, slag cement$58,457,099$47,152,182$31,825,723$15,855,753$17,759,113$63,790,213
Asbestos.$144,409$89,871    
Mica, including splitings; mica waste.$683,301$1,790,253$2,053,212  $2,353,869
Natural steatite, whether or not roughly trimmed$2,921,660$2,825,351$2,984,276  $4,006,938
Natural borates and concentrates thereof$123,923$141,699$457,477  $207,467
Felspar; leucite and nepheline syenite$1,514,143$1,957,875$1,928,722 $144,279$3,568,805
Mineral substances$2,884,550$5,130,225$8,084,097$1,728,803$483,508$6,342,141
Total$137,654,342$153,935,825$172,472,606$29,755,506$53,317,076$216,833,871