Sub-Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
Salt (including table salt) | $2,371,530 | $2,707,875 | $3,116,604 | $4,129,156 | $2,964,360 | $4,129,839 | $5,346,895 |
Unroasted iron pyrites. | | | $32,227 | $13,175 | $10,282 | $152,537 | $264,751 |
Natural graphite. | $10,765 | $28,398 | $72,594 | $124,167 | $65,578 | $87,784 | $219,549 |
Natural sands of all kinds | $2,984,388 | $2,786,862 | $3,121,057 | $5,902,132 | $1,481,825 | $6,501,450 | $4,158,301 |
Quartz (other than natural sands); quartzite | $92,491 | $13,696 | $97,929 | $266,939 | $109,600 | $201,542 | $165,245 |
Kaolin and other kaolinic clays, whether or not calcined. | $1,455,096 | $1,857,002 | $2,304,733 | $3,125,225 | $2,656,537 | $3,061,976 | $3,412,916 |
Other clays (not including expanded clays of heading 68.06), andalusite, ky ... | $986,827 | $1,755,443 | $2,189,820 | $2,519,523 | $1,665,111 | $3,435,646 | $3,891,995 |
Chalk. | $4,303 | $48,474 | $35,239 | $144,705 | $81,758 | $164,680 | $397,960 |
Natural calcium phosphates | $1,610,440 | $2,113,247 | $7,179,799 | $35,175,261 | $16,124,246 | $19,645,813 | $14,718,742 |
Natural barium sulphate (barytes) | $2,252 | $51,575 | $6,942 | $24,411 | $3,120 | $4,709 | $22,487 |
Siliceous fossil meals | $1,209,030 | $1,107,085 | $1,027,801 | $1,660,873 | $1,604,926 | $727,008 | $1,114,337 |
Pumice stone; emery; other natural abrasives | $12,242 | $11,233 | $16,525 | $23,940 | $19,848 | $30,246 | $18,210 |
Slate | $34,727 | $70,430 | $47,717 | $211,523 | $39,340 | $134,861 | $36,627 |
Marble, travertine, ecaussine and other stone | $51,716 | $100,036 | $181,908 | $179,946 | $109,120 | $237,107 | $264,568 |
Granite, porphyry, basalt, sandstone and other stone | $3,436 | $11,354 | $1,483 | $40,723 | $66,148 | $248,252 | $730,806 |
Pebbles, gravel, broken or crushed stone | $31,089 | $91,320 | $39,447 | $76,024 | $167,580 | $409,722 | $565,992 |
Dolomite, whether or not calcined or sintered | $13,870 | $8,687 | $35,293 | $108,350 | $113,695 | $169,984 | $207,879 |
Natural magnesium carbonate (magnesite) | $1,303,135 | $2,182,439 | $2,078,309 | $2,846,221 | $1,127,745 | $1,867,255 | $2,631,733 |
Gypsum; anhydrite; plasters | $153,435 | $209,886 | $206,412 | $358,026 | $1,711,663 | $2,760,706 | $3,071,903 |
Quicklime, slaked lime and hydraulic lime | $977,074 | $398,414 | $164,464 | | $44,247 | $51,706 | $102,456 |
Portland cement, aluminous cement, slag cement | $3,969,744 | $7,532,310 | $9,950,019 | $34,753,087 | $16,799,537 | $76,165,075 | $74,555,767 |
Asbestos. | $631,047 | $683,582 | $758,703 | $924,353 | $571,748 | $630,943 | $912,841 |
Mica, including splitings; mica waste. | $69,607 | $121,409 | $119,531 | $124,409 | $100,132 | $159,563 | $180,000 |
Natural steatite, whether or not roughly trimmed | $488,643 | $522,960 | $848,566 | $862,689 | $1,007,480 | $1,430,412 | $1,497,653 |
Natural borates and concentrates thereof | $173,667 | $416,853 | $558,718 | $498,463 | $692,790 | $956,672 | $999,013 |
Felspar; leucite and nepheline syenite | $557,350 | $399,215 | $524,414 | $761,318 | $549,574 | $1,540,292 | $1,604,558 |
Mineral substances | $2,134,089 | $2,681,354 | $2,583,677 | $4,745,983 | $4,844,307 | $4,912,908 | $6,296,152 |
Total | $21,331,993 | $27,911,139 | $37,299,931 | $99,600,622 | $54,732,297 | $129,818,688 | $127,389,336 |
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