Sub-Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
Salt (including table salt) | $73,584 | $85,807 | $90,320 | $90,680 | $99,416 | $137,475 |
Unroasted iron pyrites. | | | | $15 | | $68 |
Natural graphite. | $9 | $253 | | $4,355 | | $116 |
Natural sands of all kinds | $165,043 | $196,682 | $372,825 | $356,036 | $522,891 | $740,137 |
Quartz (other than natural sands); quartzite | | | $3,841 | | $3 | |
Other clays (not including expanded clays of heading 68.06), andalusite, ky ... | $1,863 | $2,910 | $2,356 | $3,608 | $1,234 | $1,925 |
Chalk. | $3,502 | $370 | $663 | $461 | $136 | $193 |
Natural calcium phosphates | | $37 | $58 | | | |
Natural barium sulphate (barytes) | $12 | | | | | |
Siliceous fossil meals | $12,179 | $8,949 | $15,988 | $9,675 | $28,603 | $16,203 |
Pumice stone; emery; other natural abrasives | $13 | $533 | $8,347 | $683 | $33 | $68 |
Slate | | | | | $38,113 | $7,042 |
Marble, travertine, ecaussine and other stone | $6,935 | $1,894 | $25,690 | $3,337 | $6,087 | $18,186 |
Granite, porphyry, basalt, sandstone and other stone | $348 | $3,275 | $58,249 | $103,696 | $33,362 | $88,534 |
Pebbles, gravel, broken or crushed stone | $291,395 | $249,763 | $327,168 | $395,096 | $331,490 | $186,858 |
Natural magnesium carbonate (magnesite) | | | | $94 | $86 | |
Gypsum; anhydrite; plasters | $5,839 | $18,025 | $56,707 | $149,645 | $54,555 | $91,045 |
Limestone flux; limestone | $20,787 | $14,306 | $42,796 | $148,598 | $59,809 | $40,652 |
Quicklime, slaked lime and hydraulic lime | $5,354 | $1,238 | $2,586 | $8,818 | $22,714 | $22,428 |
Portland cement, aluminous cement, slag cement | $4,674,717 | $7,677,549 | $10,181,826 | $9,389,077 | $8,796,948 | $7,160,312 |
Asbestos. | | | | | | $134 |
Mica, including splitings; mica waste. | | | | $244 | | |
Natural steatite, whether or not roughly trimmed | $167 | $149 | $591 | $435 | $123 | $82 |
Natural borates and concentrates thereof | $11 | $27 | | $137 | | $9 |
Felspar; leucite and nepheline syenite | $114 | $85 | | | | |
Mineral substances | $788 | | $7 | $1,939 | $44 | $142 |
Total | $5,262,660 | $8,261,852 | $11,190,018 | $10,666,629 | $9,995,647 | $8,511,609 |
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