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| Sub-Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Diamonds, whether or not worked, but not mounted or set. | $24,437,947 | $26,441,064 | $20,174,528 | $14,234,618 | $26,034,521 | $323,088,644 |
| Precious stones (other than diamonds) and semi-precious stones | $404,602 | $95,628 | $370,525 | $732,390 | $515,476 | $12,268,364 |
| Synthetic or reconstructed precious or semi-precious stones | $87 | $21,536 | | | | |
| Dust and powder of natural or synthetic precious or semi-precious stones. | $8,391,162 | | $1 | | | |
| Gold (including gold plated with platinum) | $207,846,996 | $151,693,716 | $120,305,669 | $8,056,498 | $102,057,615 | $287,177,436 |
| Base metals or silver, clad with gold, not further worked than semi-manufac ... | | $1 | | | | |
| Platinum, unwrought or in semi-manufactured forms, or in powder form. | | $108 | $108 | $13 | $26 | |
| Articles of jewellery and parts thereof, of precious metal | $4,299,019 | $3,751,952 | $2,270,559 | $420,824 | $985,183 | $817,310 |
| Articles of goldsmiths' or silversmiths' wares | $6,750 | $553 | $139,894 | $1,705 | $12,225 | $27,648 |
| Other articles of precious metal or of metal clad with precious metal. | $4,257 | $4,062 | $3,108 | $33 | | |
| Imitation jewellery. | $10,202 | $22,247 | $8,076 | $5,316 | | $16 |
| Total | $245,401,022 | $182,030,867 | $143,272,468 | $23,451,397 | $129,605,046 | $623,379,418 |
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