Sub-Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
Salt (including table salt) | $9,292,511 | $10,649,686 | $9,369,626 | $16,087,677 | $4,738,940 | $5,674,685 | $9,109,564 |
Unroasted iron pyrites. | $47,269 | $74,840 | $90,869 | $112,115 | $43,002 | $192,402 | $154,793 |
Natural graphite. | $5,255,075 | $4,498,559 | $5,531,200 | $9,109,963 | $4,863,912 | $8,360,945 | $18,037,589 |
Natural sands of all kinds | $8,431,203 | $9,491,216 | $12,065,000 | $18,829,952 | $12,728,637 | $13,614,687 | $20,168,150 |
Quartz (other than natural sands); quartzite | $877,759 | $928,889 | $576,965 | $968,938 | $253,467 | $480,585 | $725,125 |
Kaolin and other kaolinic clays, whether or not calcined. | $30,489,235 | $34,722,179 | $42,194,745 | $46,818,740 | $34,460,961 | $47,559,434 | $57,458,948 |
Other clays (not including expanded clays of heading 68.06), andalusite, ky ... | $19,074,247 | $19,388,665 | $29,692,643 | $28,975,718 | $15,710,940 | $24,466,438 | $28,833,625 |
Chalk. | $1,727,931 | $1,950,661 | $1,816,105 | $1,599,151 | $880,405 | $637,130 | $345,450 |
Natural calcium phosphates | $29,403,886 | $37,379,850 | $45,796,419 | $159,932,285 | $76,270,948 | $65,124,562 | $108,991,662 |
Natural barium sulphate (barytes) | $368,260 | $162,485 | $261,955 | $207,535 | $176,711 | $168,546 | $578,502 |
Siliceous fossil meals | $964,107 | $1,101,272 | $1,068,055 | $1,223,177 | $982,968 | $907,592 | $1,331,809 |
Pumice stone; emery; other natural abrasives | $31,487 | $39,702 | $42,588 | $13,550 | $18,397 | $47,555 | $21,302 |
Slate | $19,168 | $305,562 | $486 | $37,792 | $39,707 | $165,661 | $195,976 |
Marble, travertine, ecaussine and other stone | $923,603 | $1,122,327 | $1,742,293 | $1,282,064 | $416,942 | $1,134,292 | $1,054,985 |
Granite, porphyry, basalt, sandstone and other stone | $19,292,430 | $21,415,351 | $26,968,227 | $23,033,972 | $10,567,021 | $6,790,176 | $3,258,028 |
Pebbles, gravel, broken or crushed stone | $887,448 | $716,959 | $628,821 | $911,157 | $638,906 | $1,007,144 | $1,221,924 |
Dolomite, whether or not calcined or sintered | $3,070,395 | $1,603,691 | $1,252,680 | $1,455,215 | $1,706,835 | $1,940,889 | $1,974,305 |
Natural magnesium carbonate (magnesite) | $25,159,617 | $26,329,122 | $34,815,574 | $42,664,950 | $29,210,262 | $42,385,226 | $46,360,906 |
Gypsum; anhydrite; plasters | $3,643,820 | $5,127,030 | $4,405,208 | $5,478,056 | $4,597,287 | $5,657,062 | $8,888,990 |
Limestone flux; limestone | $4,457 | $27,742 | $1,559 | $5,587 | $5,547 | $1,651 | $142 |
Quicklime, slaked lime and hydraulic lime | $70,311 | $194,198 | $183,710 | $251,191 | $215,184 | $302,454 | $486,389 |
Portland cement, aluminous cement, slag cement | $36,322,809 | $129,502,246 | $94,145,179 | $36,657,935 | $6,041,490 | $9,628,922 | $7,847,575 |
Asbestos. | $3,873,376 | $2,757,317 | $1,330,611 | $392,040 | $155 | | |
Mica, including splitings; mica waste. | $540,693 | $552,550 | $459,598 | $455,673 | $458,321 | $435,724 | $623,702 |
Natural steatite, whether or not roughly trimmed | $5,093,248 | $5,634,926 | $6,170,052 | $6,881,803 | $5,226,331 | $6,522,843 | $9,692,026 |
Natural borates and concentrates thereof | $1,775 | $2,028 | $164,247 | $8,578 | $5,303 | $30,248 | $6,793 |
Felspar; leucite and nepheline syenite | $8,256,355 | $9,126,188 | $12,038,031 | $13,566,218 | $13,085,216 | $15,284,346 | $18,280,484 |
Mineral substances | $38,784,486 | $41,787,192 | $39,940,625 | $34,970,245 | $27,891,882 | $40,508,040 | $65,312,917 |
Total | $251,906,961 | $366,592,433 | $372,753,071 | $451,931,277 | $251,235,677 | $299,029,239 | $410,961,661 |
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