Sub-Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
Salt (including table salt) | $1,773,680 | $1,791,412 | $3,586,698 | $3,280,832 | $2,482,665 | $2,830,511 | $3,028,587 |
Unroasted iron pyrites. | $18,367 | $5,853 | $10,017 | $18,769 | $53,172 | $151,363 | $151,434 |
Natural graphite. | $12,357,960 | $16,560,055 | $23,358,545 | $30,855,301 | $17,936,180 | $39,222,775 | $40,482,336 |
Natural sands of all kinds | $5,528,375 | $6,233,045 | $4,285,446 | $4,922,116 | $2,929,342 | $4,728,299 | $5,685,649 |
Quartz (other than natural sands); quartzite | $4,702,482 | $3,349,939 | $3,374,369 | $1,889,573 | $2,360,798 | $4,941,964 | $14,351,609 |
Kaolin and other kaolinic clays, whether or not calcined. | $2,645,796 | $2,625,588 | $3,530,722 | $3,411,000 | $2,851,257 | $4,333,679 | $5,693,259 |
Other clays (not including expanded clays of heading 68.06), andalusite, ky ... | $14,581,712 | $14,675,708 | $12,430,396 | $14,579,670 | $17,518,843 | $22,539,993 | $22,693,338 |
Chalk. | $750,004 | $304,427 | $506,489 | $1,039,972 | $881,285 | $1,129,392 | $1,227,056 |
Natural calcium phosphates | $29,839 | $59,063 | $21,371 | $32,330 | $61,459 | | |
Natural barium sulphate (barytes) | $32,132 | $18,513 | $8,357 | $17,988 | $21,537 | $4,934 | $5,375 |
Siliceous fossil meals | $3,734,986 | $2,724,196 | $3,014,140 | $3,298,173 | $3,258,495 | $3,731,791 | $4,164,630 |
Pumice stone; emery; other natural abrasives | $7,132,843 | $7,771,684 | $9,467,237 | $12,630,048 | $11,866,210 | $18,928,375 | $22,250,591 |
Slate | $153,364 | $8,251 | $154,302 | $103,345 | $226,635 | $234,622 | $418,232 |
Marble, travertine, ecaussine and other stone | $148,607 | $367,169 | $260,193 | $108,679 | $67,837 | $183,364 | $5,677 |
Granite, porphyry, basalt, sandstone and other stone | $23,110,972 | $25,897,470 | $25,226,836 | $23,036,944 | $24,885,054 | $26,121,563 | $28,816,736 |
Pebbles, gravel, broken or crushed stone | $825,159 | $747,540 | $745,660 | $1,191,454 | $1,282,648 | $1,786,696 | $1,772,270 |
Dolomite, whether or not calcined or sintered | $252,967 | $285,356 | $617,453 | $704,503 | $817,499 | $1,192,368 | $995,522 |
Natural magnesium carbonate (magnesite) | $43,865,778 | $48,269,767 | $53,765,095 | $61,655,377 | $57,621,879 | $79,182,333 | $87,233,474 |
Gypsum; anhydrite; plasters | $3,652,963 | $2,797,097 | $2,905,295 | $3,044,021 | $2,558,768 | $3,581,947 | $3,878,641 |
Limestone flux; limestone | $25,289,942 | $26,581,296 | $25,926,734 | $32,112,911 | $27,456,439 | $38,526,457 | $46,824,934 |
Quicklime, slaked lime and hydraulic lime | $2,690,550 | $2,862,194 | $2,764,202 | $2,918,289 | $3,743,584 | $5,180,835 | $5,639,243 |
Portland cement, aluminous cement, slag cement | $244,131,684 | $269,264,157 | $272,188,689 | $343,929,273 | $368,351,797 | $335,482,006 | $334,180,796 |
Asbestos. | $36,835 | | | | $3,216 | | |
Mica, including splitings; mica waste. | $6,485,985 | $7,403,793 | $7,084,993 | $8,674,111 | $7,984,144 | $10,535,201 | $11,424,823 |
Natural steatite, whether or not roughly trimmed | $9,195,311 | $10,691,326 | $12,144,747 | $13,966,804 | $12,323,265 | $14,215,312 | $15,481,585 |
Natural borates and concentrates thereof | $56,181 | $62,561 | $64,214 | $66,752 | $17,420 | $29,717 | $37,802 |
Felspar; leucite and nepheline syenite | $2,121,386 | $1,058,990 | $1,196,444 | $1,496,725 | $1,580,294 | $1,956,779 | $2,684,553 |
Mineral substances | $9,197,658 | $14,157,330 | $14,580,159 | $13,691,326 | $8,843,377 | $11,016,427 | $14,792,498 |
Total | $424,503,518 | $466,573,780 | $483,218,803 | $582,676,286 | $579,985,099 | $631,768,703 | $673,920,650 |
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