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| Sub-Chapter | 2005 | 2006 | 2007 | 2008 | 2010 |
| Pearls, natural or cultured | | $114 | | | |
| Diamonds, whether or not worked, but not mounted or set. | | $150 | | $69,569 | |
| Precious stones (other than diamonds) and semi-precious stones | | | | | $929 |
| Synthetic or reconstructed precious or semi-precious stones | | $397 | | | |
| Dust and powder of natural or synthetic precious or semi-precious stones. | | $488 | | | |
| Silver (including silver plated with gold or platinum) | $95,937 | | | | |
| Base metals clad with silver | | | | | $736,043 |
| Base metals or silver, clad with gold, not further worked than semi-manufac ... | | | | | $5,903 |
| Platinum, unwrought or in semi-manufactured forms, or in powder form. | | $1,337 | | | $20,339 |
| Articles of jewellery and parts thereof, of precious metal | $247,745 | $2,415 | | | |
| Articles of goldsmiths' or silversmiths' wares | $329,627 | | | | |
| Other articles of precious metal or of metal clad with precious metal. | | $113,678 | | $547,141 | $143,387 |
| Articles of natural or cultured pearls, precious or semi-precious stones | | | | | $2,374 |
| Imitation jewellery. | $238,318 | $1,408,430 | $857,147 | $2,984,541 | $309,465 |
| Total | $911,627 | $1,527,009 | $857,147 | $3,601,251 | $1,218,440 |
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