Sub-Chapter | 2006 | 2007 | 2008 | 2009 | 2010 |
Salt (including table salt) | | $66,070 | | $6,809 | $254,481 |
Unroasted iron pyrites. | | $133 | | | |
Natural graphite. | | | $77,837 | | |
Natural sands of all kinds | $240 | | | $237,470 | $66,681 |
Quartz (other than natural sands); quartzite | | | | $12,362 | |
Kaolin and other kaolinic clays, whether or not calcined. | | | $2,711 | | |
Other clays (not including expanded clays of heading 68.06), andalusite, ky ... | | $4,967 | | $125 | |
Natural calcium phosphates | | | | $38,674 | |
Natural barium sulphate (barytes) | | | $4,381 | | $6,006 |
Siliceous fossil meals | | $23,640 | | | |
Pumice stone; emery; other natural abrasives | | $940 | | $19,651 | |
Granite, porphyry, basalt, sandstone and other stone | | $302 | | | $198,210 |
Pebbles, gravel, broken or crushed stone | | | $16,019 | $4,150 | $2,008,705 |
Dolomite, whether or not calcined or sintered | | $3,469 | | | |
Natural magnesium carbonate (magnesite) | | | | $18,039 | |
Gypsum; anhydrite; plasters | | $316,897 | | | |
Limestone flux; limestone | | | $11,034 | | |
Portland cement, aluminous cement, slag cement | | $3,713,092 | $5,476,744 | $6,530,594 | $3,796,661 |
Mica, including splitings; mica waste. | | $1,241,092 | | | $559,512 |
Felspar; leucite and nepheline syenite | | $73,442 | | | |
Mineral substances | $366 | | | | |
Total | $606 | $5,444,044 | $5,588,726 | $6,867,874 | $6,890,256 |
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