Sub-Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
Salt (including table salt) | $38,539 | $18,314 | $19,229 | $19,210 | $12,745 | $8,892 | $17,207 |
Unroasted iron pyrites. | | | | | $2,556 | $2,946 | $549 |
Natural graphite. | $6,994 | $36 | | | | $11,406 | $10,610 |
Natural sands of all kinds | $245 | $47,530 | $11,957 | $317 | $789 | $735 | $6,721 |
Quartz (other than natural sands); quartzite | | | $8,887 | | | | |
Kaolin and other kaolinic clays, whether or not calcined. | $8,463 | $8,444 | $10,584 | | | | |
Other clays (not including expanded clays of heading 68.06), andalusite, ky ... | | $356 | $8,685 | $16,854 | | | |
Chalk. | $7,169 | $2,458 | $808 | $362 | $14,023 | $3,751 | $1,925 |
Natural calcium phosphates | $35 | $1,603 | | $634 | $2,143 | $874 | $183 |
Natural barium sulphate (barytes) | | | | | | | $26 |
Siliceous fossil meals | | | | | | $24,711 | |
Slate | | $107 | | | | $1,345 | |
Marble, travertine, ecaussine and other stone | $1,329 | | $26,905 | $680 | $489 | $15,610 | $115 |
Granite, porphyry, basalt, sandstone and other stone | $39,098 | $196,641 | $27,389 | $12,324 | $13,722 | | $202,801 |
Pebbles, gravel, broken or crushed stone | $3,602 | $6,128 | $165,509 | $1,405 | | $19,969 | $111,039 |
Dolomite, whether or not calcined or sintered | $175 | | | | $827 | | |
Gypsum; anhydrite; plasters | $188,183 | $162,436 | $275,834 | $485,382 | $214,405 | $350,120 | $416,457 |
Limestone flux; limestone | | | $5,413 | $11,055 | | $207 | |
Quicklime, slaked lime and hydraulic lime | $81,275 | $113,018 | $112,508 | $87,807 | $178,538 | $112,819 | $96,853 |
Portland cement, aluminous cement, slag cement | $4,654,539 | $7,009,063 | $6,041,602 | $9,805,145 | $14,160,683 | $9,132,424 | $10,651,695 |
Asbestos. | $26,369 | | | | | | |
Mica, including splitings; mica waste. | $318,803 | $534 | | | | | |
Natural steatite, whether or not roughly trimmed | | | $1,293 | | | $118 | $4,367 |
Natural borates and concentrates thereof | | $962 | | | | | |
Felspar; leucite and nepheline syenite | $233,087 | | | | | | $50 |
Mineral substances | | | | $45 | | | |
Total | $5,607,905 | $7,567,630 | $6,716,603 | $10,441,220 | $14,600,920 | $9,685,927 | $11,520,598 |
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