Sub-Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
Salt (including table salt) | $193,351 | $154,912 | $169,036 | $33,596 | $20,009 | $81,023 | $154,076 |
Natural graphite. | $12,953 | $19,396 | $3,749 | $5,177 | $1,416 | | $1,340 |
Natural sands of all kinds | $62,149 | $148,389 | $91,134 | $190,970 | $136,464 | $580,337 | $220,920 |
Kaolin and other kaolinic clays, whether or not calcined. | | $9,850 | | | | | |
Other clays (not including expanded clays of heading 68.06), andalusite, ky ... | $1,827,969 | $3,873 | $35,347 | $114,208 | $41,346 | $305,574 | $52,998 |
Chalk. | | $36,637 | | $131,143 | $19,048 | | |
Natural calcium phosphates | | | $449,360 | $298,404 | | | |
Natural barium sulphate (barytes) | | | | | $14,438 | | $403,878 |
Pumice stone; emery; other natural abrasives | | | | $863 | | | |
Marble, travertine, ecaussine and other stone | $1,068 | | $441 | $2,761 | $13,278 | $33,729 | $122,418 |
Granite, porphyry, basalt, sandstone and other stone | $1,103 | | | $2,453 | | $20,454 | $21,546 |
Pebbles, gravel, broken or crushed stone | | $2,561 | $797 | $32,846 | $5,966 | $255,984 | $236,624 |
Gypsum; anhydrite; plasters | $3,068 | $2,011 | $7,337 | $4,417 | $3,239 | $112,563 | $270,920 |
Limestone flux; limestone | | | $3,919 | $5,031 | $362 | $6,227 | $4,542 |
Quicklime, slaked lime and hydraulic lime | $67,405 | $239,377 | $694,567 | $2,051,116 | $1,941,115 | $6,638,428 | $6,900,215 |
Portland cement, aluminous cement, slag cement | $17,362,295 | $31,624,937 | $53,822,510 | $30,690,044 | $34,864,227 | $37,331,652 | $36,324,814 |
Asbestos. | | | | | $6,493 | | |
Mica, including splitings; mica waste. | | | | | | | $2,985 |
Natural steatite, whether or not roughly trimmed | | $8,582 | | $11,958 | $13,342 | | |
Mineral substances | $1,100 | $2,605 | $93,792 | $394,460 | $382,894 | $48,295 | $8,012 |
Total | $19,532,461 | $32,253,130 | $55,371,989 | $33,969,447 | $37,463,637 | $45,414,266 | $44,725,288 |
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