Sub-Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
Salt (including table salt) | $20,991,822 | $21,102,987 | $26,773,899 | $44,751,098 | $57,246,910 | $62,652,072 |
Unroasted iron pyrites. | $1,513,551 | $1,666,175 | $1,702,320 | $1,782,162 | $1,306,723 | $1,877,118 |
Natural graphite. | $4,265,343 | $4,678,412 | $5,991,042 | $9,118,919 | $6,296,439 | $9,461,668 |
Natural sands of all kinds | $9,973,061 | $10,863,486 | $13,412,981 | $14,371,406 | $11,171,570 | $9,528,903 |
Quartz (other than natural sands); quartzite | $92,782 | $45,096 | $71,679 | $138,807 | $119,914 | $208,725 |
Kaolin and other kaolinic clays, whether or not calcined. | $738,641 | $816,657 | $780,552 | $694,476 | $1,320,655 | $1,506,272 |
Other clays (not including expanded clays of heading 68.06), andalusite, ky ... | $3,155,328 | $2,853,078 | $2,136,354 | $1,912,473 | $1,726,784 | $1,818,807 |
Chalk. | $2,000,515 | $2,305,854 | $2,430,565 | $2,697,900 | $2,222,767 | $2,020,257 |
Natural calcium phosphates | $5,500 | $47,639 | | | $149,934 | $12,571 |
Natural barium sulphate (barytes) | $503,563 | $1,730,182 | $1,034,442 | $864,984 | $495,595 | $174,889 |
Siliceous fossil meals | $3,023,329 | $2,747,908 | $3,987,654 | $2,824,015 | $2,985,458 | $2,966,430 |
Pumice stone; emery; other natural abrasives | $24,536 | $25,453 | $40,943 | $64,292 | $73,415 | $40,960 |
Slate | $4,855 | $7,070 | $3,634 | $18,126 | $16,444 | $16,064 |
Marble, travertine, ecaussine and other stone | $2,493,574 | $2,799,572 | $4,965,542 | $5,923,848 | $6,250,721 | $4,090,795 |
Granite, porphyry, basalt, sandstone and other stone | $2,642,406 | $3,748,219 | $5,211,086 | $4,316,107 | $4,329,707 | $2,969,315 |
Pebbles, gravel, broken or crushed stone | $131,040,425 | $136,497,239 | $162,539,038 | $156,566,788 | $130,929,281 | $137,972,863 |
Dolomite, whether or not calcined or sintered | $607,617 | $681,118 | $907,450 | $858,737 | $102,939 | $64,137 |
Natural magnesium carbonate (magnesite) | $14,680,596 | $13,242,745 | $19,442,386 | $8,537,921 | $9,099,629 | $12,808,160 |
Gypsum; anhydrite; plasters | $10,593,546 | $11,901,706 | $16,892,363 | $14,177,407 | $12,545,711 | $9,546,648 |
Limestone flux; limestone | $5,833,621 | $5,420,521 | $5,827,974 | $5,976,899 | $6,344,538 | $5,767,849 |
Quicklime, slaked lime and hydraulic lime | $4,261,822 | $5,445,440 | $7,523,392 | $8,862,124 | $6,114,088 | $4,453,117 |
Portland cement, aluminous cement, slag cement | $19,446,340 | $28,152,606 | $48,556,759 | $61,356,513 | $45,652,872 | $30,824,061 |
Mica, including splitings; mica waste. | $2,353,624 | $2,148,496 | $2,570,698 | $2,882,336 | $2,173,307 | $2,759,343 |
Natural steatite, whether or not roughly trimmed | $49,793,525 | $55,552,656 | $61,293,084 | $56,908,563 | $46,713,006 | $47,724,125 |
Natural borates and concentrates thereof | | | $12,853 | | $63 | $696 |
Felspar; leucite and nepheline syenite | $1,165,390 | $1,108,235 | $1,009,437 | $1,105,669 | $973,859 | $909,809 |
Mineral substances | $12,072,484 | $13,997,367 | $16,404,454 | $27,312,385 | $29,319,758 | $30,019,086 |
Total | $303,277,796 | $329,585,917 | $411,522,581 | $434,023,955 | $385,682,087 | $382,194,740 |
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