Sub-Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
Salt (including table salt) | $151,714,445 | $69,913,676 | $54,969,001 | $80,013,157 | $68,448,021 | $129,000,077 | $198,019,421 |
Unroasted iron pyrites. | $14,787 | $188,527 | $405,031 | $28,099,390 | $8,959,999 | $12,252,993 | $42,858,274 |
Natural graphite. | $6,852,952 | $9,220,913 | $12,802,176 | $11,517,776 | $14,795,474 | $16,243,012 | $33,523,090 |
Natural sands of all kinds | $18,683,676 | $26,156,474 | $40,298,261 | $66,691,034 | $41,197,036 | $93,002,135 | $107,426,124 |
Quartz (other than natural sands); quartzite | $3,951,702 | $4,905,458 | $9,018,094 | $26,198,189 | $11,747,663 | $32,477,498 | $82,658,116 |
Kaolin and other kaolinic clays, whether or not calcined. | $87,575,582 | $85,051,908 | $73,898,449 | $83,436,171 | $72,857,238 | $96,678,254 | $121,515,004 |
Other clays (not including expanded clays of heading 68.06), andalusite, ky ... | $23,411,992 | $24,707,539 | $29,845,668 | $39,005,308 | $36,300,686 | $57,162,607 | $61,663,266 |
Chalk. | $157,354 | $170,567 | $69,802 | $33,796 | $30,898 | $104,538 | $110,015 |
Natural calcium phosphates | $69,535 | $3,451,308 | $1,905,640 | $300,756 | $182,382 | $95,508 | $85,309 |
Natural barium sulphate (barytes) | $372,940 | $339,761 | $418,125 | $528,361 | $417,059 | $373,262 | $370,319 |
Siliceous fossil meals | $4,044,197 | $3,034,499 | $2,650,456 | $2,788,202 | $2,486,659 | $4,797,544 | $5,389,635 |
Pumice stone; emery; other natural abrasives | $21,918,125 | $21,743,815 | $14,067,465 | $10,126,648 | $8,680,084 | $9,559,256 | $9,636,006 |
Slate | $416,494 | $1,027,734 | $623,720 | $536,294 | $212,515 | $213,866 | $280,914 |
Marble, travertine, ecaussine and other stone | $387,857,492 | $535,565,819 | $719,585,603 | $868,885,591 | $860,619,694 | $1,488,424,877 | $1,632,277,027 |
Granite, porphyry, basalt, sandstone and other stone | $406,318,589 | $485,223,930 | $512,885,954 | $644,526,908 | $566,248,847 | $739,948,674 | $815,883,847 |
Pebbles, gravel, broken or crushed stone | $931,329 | $1,676,344 | $1,672,380 | $1,293,355 | $996,707 | $1,180,576 | $1,556,137 |
Dolomite, whether or not calcined or sintered | $6,139,016 | $1,996,006 | $236,066 | $252,086 | $895,104 | $909,940 | $17,632,097 |
Natural magnesium carbonate (magnesite) | $12,579,268 | $14,764,024 | $20,437,851 | $34,132,619 | $38,779,403 | $48,536,953 | $57,430,390 |
Gypsum; anhydrite; plasters | $3,869,111 | $3,896,210 | $4,976,354 | $5,102,387 | $4,666,157 | $8,266,020 | $9,460,621 |
Limestone flux; limestone | $569,559 | $372,880 | $312,271 | $453,152 | $334,735 | $682,143 | $741,715 |
Quicklime, slaked lime and hydraulic lime | $587,053 | $658,782 | $512,908 | $651,092 | $1,037,144 | $1,002,135 | $1,894,226 |
Portland cement, aluminous cement, slag cement | $40,479,195 | $39,254,070 | $25,632,023 | $28,995,615 | $36,988,281 | $76,115,525 | $111,945,715 |
Asbestos. | $32,994,554 | $39,944,182 | $54,915,150 | $78,352,381 | $55,770,693 | $69,760,007 | $76,503,109 |
Mica, including splitings; mica waste. | $10,480,233 | $11,723,307 | $15,709,818 | $27,245,734 | $23,749,591 | $39,686,198 | $43,403,265 |
Natural steatite, whether or not roughly trimmed | $9,452,778 | $10,106,941 | $12,745,052 | $16,207,554 | $14,190,379 | $16,811,103 | $23,230,490 |
Natural borates and concentrates thereof | $41,028,635 | $54,220,313 | $66,329,283 | $107,660,377 | $55,936,988 | $84,750,234 | $115,321,619 |
Felspar; leucite and nepheline syenite | $3,362,481 | $9,658,529 | $8,420,025 | $13,314,467 | $15,255,192 | $18,140,479 | $24,254,518 |
Mineral substances | $94,926,593 | $101,906,982 | $83,632,169 | $83,135,694 | $92,521,665 | $134,323,920 | $175,114,712 |
Total | $1,370,759,667 | $1,560,880,498 | $1,768,974,795 | $2,259,484,094 | $2,034,306,294 | $3,180,499,334 | $3,770,184,981 |
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