|
| Sub-Chapter | 2005 | 2007 | 2009 | 2010 | 2011 |
| Natural sands of all kinds | | $440 | | $606 | |
| Other clays (not including expanded clays of heading 68.06), andalusite, ky ... | | | $26,318 | | |
| Chalk. | | $4 | | | |
| Pebbles, gravel, broken or crushed stone | $58,001 | $11 | | | |
| Portland cement, aluminous cement, slag cement | $1,800 | $1,956 | $370 | | $147 |
| Mineral substances | | $37 | | $1,107 | |
| Total | $59,801 | $2,448 | $26,688 | $1,713 | $147 |
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