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| Sub-Chapter | 2005 | 2006 | 2007 |
| Salt (including table salt) | | | $9,046 |
| Other clays (not including expanded clays of heading 68.06), andalusite, ky ... | | $4,539 | |
| Quicklime, slaked lime and hydraulic lime | $529 | | |
| Portland cement, aluminous cement, slag cement | $13,574 | | |
| Total | $14,103 | $4,539 | $9,046 |
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