Sub-Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
Salt (including table salt) | $5,987 | $201,212 | $11,766 | $280,744 | $468,324 | $273,067 |
Natural graphite. | | | | $667 | | |
Natural sands of all kinds | | $278 | $41,021 | $696 | $1,446 | $9,616 |
Quartz (other than natural sands); quartzite | | | $252 | | | |
Kaolin and other kaolinic clays, whether or not calcined. | | | | $845 | | |
Other clays (not including expanded clays of heading 68.06), andalusite, ky ... | $341 | $382 | $6,700 | $318 | $382 | $709 |
Pumice stone; emery; other natural abrasives | $34 | | | | | $38 |
Marble, travertine, ecaussine and other stone | $2,633 | $4,162 | $16,614 | $50,783 | $5,141 | $8,118 |
Granite, porphyry, basalt, sandstone and other stone | $807 | $1,673 | $6,591 | $64,081 | | $1,278 |
Pebbles, gravel, broken or crushed stone | | | | | $1,730 | $356 |
Natural magnesium carbonate (magnesite) | | | | | $118 | $836 |
Gypsum; anhydrite; plasters | | $43,168 | $78,567 | $5,094 | $520 | $11,608 |
Quicklime, slaked lime and hydraulic lime | $2,431 | $6,030 | $7,264 | $4,337 | $16,503 | $2,703 |
Portland cement, aluminous cement, slag cement | $1,479,532 | $2,564,733 | $3,284,645 | $3,635,047 | $3,003,204 | $4,179,392 |
Mica, including splitings; mica waste. | | | | $210 | | |
Natural steatite, whether or not roughly trimmed | | $71 | | $508 | $193 | $642 |
Mineral substances | $92 | | | $1,323 | | |
Total | $1,491,857 | $2,821,709 | $3,453,420 | $4,044,653 | $3,497,561 | $4,488,363 |
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