Sub-Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
Salt (including table salt) | $730,608 | $1,609,517 | $2,530,735 | $2,012,040 | $1,600,956 | $1,884,543 | $2,338,672 |
Unroasted iron pyrites. | $29,841 | $60,351 | $50,305 | $65,630 | $54,289 | $106,219 | $165,717 |
Natural graphite. | $769,890 | $961,213 | $1,176,256 | $1,113,900 | $567,566 | $1,643,529 | $3,128,490 |
Natural sands of all kinds | $707,631 | $707,165 | $930,293 | $1,718,167 | $1,130,227 | $1,290,470 | $1,849,386 |
Quartz (other than natural sands); quartzite | $367,184 | $121,840 | $201,881 | $189,262 | $76,187 | $99,540 | $60,268 |
Kaolin and other kaolinic clays, whether or not calcined. | $26,969 | $268,954 | $219,628 | $1,194,822 | $717,641 | $1,753,014 | $2,507,479 |
Other clays (not including expanded clays of heading 68.06), andalusite, ky ... | $688,105 | $895,386 | $2,098,759 | $2,899,889 | $1,686,617 | $2,579,512 | $3,082,241 |
Chalk. | $1,313,798 | $1,198,597 | $1,513,559 | $2,168,398 | $1,793,120 | $1,641,266 | $1,526,040 |
Natural calcium phosphates | $19,259,400 | $18,257,233 | $33,048,412 | $101,969,220 | $8,236,964 | $30,408,058 | $68,417,504 |
Natural barium sulphate (barytes) | $2,099,937 | $2,220,822 | $2,319,270 | $3,814,040 | $3,236,378 | $4,275,801 | $2,495,579 |
Siliceous fossil meals | $1,497,611 | $1,687,417 | $1,973,950 | $2,174,770 | $1,863,705 | $2,177,666 | $2,014,534 |
Pumice stone; emery; other natural abrasives | $24,146 | $59,062 | $59,628 | $141,831 | $146,664 | $100,432 | $49,132 |
Slate | $829,532 | $1,373,873 | $2,046,317 | $2,259,120 | $996,379 | $997,655 | $1,124,996 |
Marble, travertine, ecaussine and other stone | $492,675 | $481,083 | $494,878 | $697,180 | $395,204 | $399,129 | $518,966 |
Granite, porphyry, basalt, sandstone and other stone | $97,530 | $254,170 | $477,991 | $641,450 | $215,358 | $417,035 | $253,850 |
Pebbles, gravel, broken or crushed stone | $6,465,745 | $8,999,104 | $12,202,434 | $19,283,172 | $13,466,917 | $15,767,401 | $16,254,084 |
Dolomite, whether or not calcined or sintered | $4,063,933 | $4,581,339 | $5,825,533 | $5,895,160 | $4,753,894 | $5,747,416 | $7,656,841 |
Natural magnesium carbonate (magnesite) | $89,955,329 | $96,648,450 | $119,977,406 | $150,529,688 | $81,470,677 | $136,031,117 | $125,071,128 |
Gypsum; anhydrite; plasters | $19,100,732 | $29,959,970 | $32,385,071 | $25,400,813 | $909,914 | $317,861 | $516,444 |
Limestone flux; limestone | $3,443 | $5,212 | $27,774 | $264,530 | $1,272 | $14,120 | $42,788 |
Quicklime, slaked lime and hydraulic lime | $1,345,913 | $1,663,850 | $2,421,339 | $5,184,757 | $6,870,644 | $5,422,553 | $8,594,530 |
Portland cement, aluminous cement, slag cement | $7,868,236 | $5,540,446 | $23,907,715 | $22,333,020 | $107,789,306 | $102,538,215 | $59,875,636 |
Asbestos. | $26,767,606 | $31,262,088 | $25,293,904 | $31,922,890 | $17,448,727 | $30,645,099 | $34,108,376 |
Mica, including splitings; mica waste. | $228,543 | $314,433 | $491,986 | $531,140 | $389,646 | $400,870 | $575,825 |
Natural steatite, whether or not roughly trimmed | $396,841 | $825,192 | $1,067,949 | $1,309,579 | $952,492 | $1,406,341 | $1,705,529 |
Natural borates and concentrates thereof | $2,088 | $70,979 | $5,160 | | | | $144,429 |
Felspar; leucite and nepheline syenite | $15,810,639 | $20,230,581 | $20,581,486 | $31,481,670 | $17,635,516 | $39,352,075 | $28,760,984 |
Mineral substances | $5,566,417 | $5,373,992 | $7,466,586 | $9,935,360 | $8,830,081 | $14,700,909 | $19,128,552 |
Total | $206,510,322 | $235,632,319 | $300,796,205 | $427,131,498 | $283,236,341 | $402,117,846 | $391,968,000 |
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