|
| Sub-Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Salt (including table salt) | $34,348 | $184,682 | $175,342 | $553,553 | $1,436,533 | $716,762 |
| Unroasted iron pyrites. | | | $10 | | | |
| Natural graphite. | $1,230 | | $250 | $1,686 | | |
| Natural sands of all kinds | $1,224 | $386,997 | $456,306 | $1,007,499 | $132,485 | $10,662 |
| Quartz (other than natural sands); quartzite | $250,889 | $41,671 | $43,469 | $24,351 | $249 | $20,886 |
| Kaolin and other kaolinic clays, whether or not calcined. | | $13 | | | | |
| Other clays (not including expanded clays of heading 68.06), andalusite, ky ... | $4,600 | $733 | $364,801 | $585,405 | $238,341 | $673,648 |
| Chalk. | $48 | $4 | | | | |
| Siliceous fossil meals | | $115 | | | | $84 |
| Pumice stone; emery; other natural abrasives | | $206,919 | $5,330 | $18,460 | | |
| Slate | | | | $199 | $3 | |
| Marble, travertine, ecaussine and other stone | | $131,472 | | $56,669 | $3,114 | $93 |
| Granite, porphyry, basalt, sandstone and other stone | | $26,663 | $9,085 | $11,752 | $456 | $562 |
| Pebbles, gravel, broken or crushed stone | $11,929 | $14,125 | $4,652,288 | $303,365 | $192,554 | $68,072 |
| Dolomite, whether or not calcined or sintered | $11 | $1,564 | $28 | | | |
| Natural magnesium carbonate (magnesite) | | | | | $2,830 | $2,599,882 |
| Gypsum; anhydrite; plasters | $19 | | $2,090 | $1,984 | $3,895 | $1,197 |
| Limestone flux; limestone | $30,202 | $69,170 | $238,721 | $41,872 | $49,598 | $4,084,602 |
| Quicklime, slaked lime and hydraulic lime | $1,247,863 | $1,635,791 | $1,673,129 | $5,817,324 | $6,457,366 | $8,687,546 |
| Portland cement, aluminous cement, slag cement | $8,213,156 | $12,363,292 | $8,815,626 | $24,940,752 | $34,677,101 | $66,628,232 |
| Asbestos. | $30,573 | | $2,522 | $31,499 | $16,877 | |
| Mica, including splitings; mica waste. | | $141 | | | | |
| Natural steatite, whether or not roughly trimmed | $601,365 | $457,015 | $876,040 | $320,319 | $553,894 | $720,312 |
| Natural borates and concentrates thereof | $522 | | $4,330 | $46 | | |
| Mineral substances | $85,542 | $46,629 | $19,691 | $5,634 | $7,634 | $14,001 |
| Total | $10,513,521 | $15,566,996 | $17,339,058 | $33,722,369 | $43,772,930 | $84,226,541 |
|
|
