Sub-Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
Salt (including table salt) | $1,818,067 | $3,684,604 | $3,243,624 | $3,522,785 | $5,823,160 | $7,931,614 | $8,713,608 |
Unroasted iron pyrites. | | | | $1,076 | | $3,794 | |
Natural graphite. | $3,331,858 | $4,471,017 | $5,276,257 | $6,677,294 | $3,293,477 | $4,262,600 | $7,158,656 |
Natural sands of all kinds | $11,425,059 | $13,833,105 | $14,943,721 | $15,759,689 | $11,333,308 | $11,193,547 | $13,902,318 |
Quartz (other than natural sands); quartzite | $67,198 | $58,591 | $60,813 | $70,134 | $59,753 | $23,215 | $14,772 |
Kaolin and other kaolinic clays, whether or not calcined. | $27,256,151 | $27,761,946 | $24,124,982 | $33,967,120 | $24,996,268 | $64,033,254 | $80,523,450 |
Other clays (not including expanded clays of heading 68.06), andalusite, ky ... | $23,603,728 | $20,326,066 | $24,060,886 | $30,138,665 | $27,460,459 | $30,285,357 | $42,995,242 |
Chalk. | $15,296 | $26,588 | $45,254 | $126,249 | $70,154 | $54,517 | $114,200 |
Natural calcium phosphates | $772,706 | $1,027,614 | $1,181,225 | $2,028,462 | $1,161,168 | $2 | $568 |
Natural barium sulphate (barytes) | $333,636 | $231,997 | $248,608 | $170,085 | $87,162 | $151,358 | $299,595 |
Siliceous fossil meals | $1,501,147 | $1,721,584 | $542,628 | $2,255,210 | $1,531,724 | $1,473,918 | $1,708,692 |
Pumice stone; emery; other natural abrasives | $11,865 | $21,012 | $20,176 | $19,564 | $13,543 | $25,485 | $25,174 |
Slate | $2,240,570 | $2,609,783 | $3,118,090 | $3,035,634 | $1,936,427 | $1,488,729 | $922,612 |
Marble, travertine, ecaussine and other stone | $24,271 | $5,189 | $2,842 | $36,987 | $85,945 | $19,734 | $757,708 |
Granite, porphyry, basalt, sandstone and other stone | $1,419,734 | $877,484 | $1,237,733 | $1,878,382 | $1,013,749 | $896,087 | $4,152,763 |
Pebbles, gravel, broken or crushed stone | $17,118,841 | $22,223,713 | $23,050,539 | $21,153,511 | $19,251,874 | $21,310,240 | $32,596,794 |
Dolomite, whether or not calcined or sintered | $1,575,647 | $2,181,660 | $2,321,211 | $3,259,795 | $2,468,074 | $2,031,475 | $1,085,197 |
Natural magnesium carbonate (magnesite) | $1,761,483 | $1,431,051 | $1,902,829 | $763,290 | $1,692,765 | $2,172,673 | $3,809,716 |
Gypsum; anhydrite; plasters | $1,193,160 | $1,889,896 | $2,102,843 | $2,977,832 | $1,699,740 | $1,534,220 | $2,160,742 |
Limestone flux; limestone | $2,601,199 | $3,124,699 | $2,058,739 | $2,599,055 | $2,532,061 | $2,189,490 | $4,929,139 |
Quicklime, slaked lime and hydraulic lime | $10,198,586 | $10,579,679 | $12,894,820 | $16,172,389 | $14,042,736 | $16,007,059 | $20,593,356 |
Portland cement, aluminous cement, slag cement | $30,578,662 | $26,285,087 | $45,144,263 | $57,900,884 | $52,286,563 | $49,751,494 | $72,822,893 |
Mica, including splitings; mica waste. | $37,308 | $43,322 | $83,697 | $48,260 | $29,191 | $59,974 | $137,298 |
Natural steatite, whether or not roughly trimmed | $93,293 | $66,851 | $139,326 | $172,530 | $143,243 | $142,872 | $254,725 |
Natural borates and concentrates thereof | $10,482 | $329,021 | $120,101 | $129,710 | $252 | $60 | $566,922 |
Felspar; leucite and nepheline syenite | $9,274,984 | $9,010,485 | $12,433,758 | $11,678,618 | $9,059,402 | $10,586,583 | $14,788,680 |
Mineral substances | $2,205,716 | $2,357,921 | $3,061,340 | $3,218,429 | $1,621,903 | $2,057,764 | $3,421,834 |
Total | $150,470,647 | $156,179,965 | $183,420,305 | $219,761,639 | $183,694,101 | $229,687,115 | $318,456,654 |
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