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| Sub-Chapter | 2006 | 2007 | 2008 |
| Setts, curbstones and flagstones, of natural stone (except slate) | $3,656 | $1,171,340 | $6,664 |
| Worked slate and articles of slate or of agglomerated slate. | $11,849 | $11,857 | $58,385 |
| Natural or artificial abrasive powder or grain, on a base of textile materi ... | $32,468 | $34,306 | $40,777 |
| Panels, boards, tiles, blocks and similar articles of vegetable fibre | $18,963 | $34,688 | $49,701 |
| Articles of cement, of concrete or of artificial stone | $1,451,061 | $2,787,669 | $3,242,923 |
| Articles of asbestos-cement, of cellulose fibre-cement or the like. | $94,369 | $131,191 | $315,938 |
| Friction material and articles thereof | $46,152 | $57,402 | $59,615 |
| Total | $1,658,518 | $4,228,453 | $3,774,003 |
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