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| Sub-Chapter | 2005 | 2006 |
| Salt (including table salt) | $98,157 | $226,131 |
| Natural sands of all kinds | $139,217 | $29,060 |
| Kaolin and other kaolinic clays, whether or not calcined. | | $479 |
| Other clays (not including expanded clays of heading 68.06), andalusite, ky ... | | $772 |
| Natural barium sulphate (barytes) | | $15 |
| Marble, travertine, ecaussine and other stone | $166,477 | $274,372 |
| Granite, porphyry, basalt, sandstone and other stone | $45,773 | $14,419 |
| Pebbles, gravel, broken or crushed stone | $121,397 | $16,712 |
| Quicklime, slaked lime and hydraulic lime | $492 | |
| Portland cement, aluminous cement, slag cement | $42,481,081 | $36,621,593 |
| Felspar; leucite and nepheline syenite | | $771 |
| Mineral substances | $27,062 | $115,156 |
| Total | $43,079,656 | $37,299,480 |
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