Sub-Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
Salt (including table salt) | $27,857 | | | $14,443 | $22,026 | $24,533 | $36,685 |
Unroasted iron pyrites. | | | | | | | $628 |
Natural sands of all kinds | $141 | $40 | | $40 | | | $1,096 |
Quartz (other than natural sands); quartzite | | $362 | | | $60 | | $22,971 |
Kaolin and other kaolinic clays, whether or not calcined. | $4,279 | | | | | $83 | |
Other clays (not including expanded clays of heading 68.06), andalusite, ky ... | $80 | $89 | $5 | $25,961 | $95 | | $1,773 |
Chalk. | | | | | | $822 | $133 |
Natural calcium phosphates | | | | | $26 | | |
Siliceous fossil meals | | | $4,471 | | | | |
Pumice stone; emery; other natural abrasives | | | | $543 | | | |
Slate | | | | $2,244 | | | |
Granite, porphyry, basalt, sandstone and other stone | | $25 | | | $321 | | |
Pebbles, gravel, broken or crushed stone | $170 | | $50 | $1,699 | $205 | $4,602 | $19,135 |
Gypsum; anhydrite; plasters | | | | $900 | | | |
Limestone flux; limestone | | | $5,004 | | | | |
Quicklime, slaked lime and hydraulic lime | | | $18,735 | $25,401 | $18,274 | $7,628 | $3,892 |
Portland cement, aluminous cement, slag cement | $20,280 | $16,728 | $867,841 | $1,366,375 | $2,124,944 | $1,171,893 | $941,274 |
Natural steatite, whether or not roughly trimmed | | $2,114 | | | | | |
Mineral substances | | | | | $539 | $132 | $40,865 |
Total | $52,807 | $19,358 | $896,106 | $1,437,606 | $2,166,490 | $1,209,693 | $1,068,452 |
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