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| Sub-Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Pearls, natural or cultured | $13,708 | $1,155 | $7,460 | | $1,846 | $5,525 | $1,795 |
| Diamonds, whether or not worked, but not mounted or set. | $263,021,024 | $245,518,714 | $160,559,294 | $145,589,577 | $59,754,878 | $90,293,389 | $113,727,970 |
| Precious stones (other than diamonds) and semi-precious stones | $688,938 | $1,421,474 | $419,396 | $137,698 | $284,966 | $278,726 | $1,856,090 |
| Synthetic or reconstructed precious or semi-precious stones | $23,299 | $43,487 | $181,345 | $506,918 | $427,436 | $150,188 | $312,309 |
| Dust and powder of natural or synthetic precious or semi-precious stones. | $47,843 | $24,265 | | | | | $30,000 |
| Silver (including silver plated with gold or platinum) | $223,431 | $472,906 | $198,043 | $64,600 | $109,125 | | |
| Gold (including gold plated with platinum) | $36,454,217 | $36,664,577 | $18,297,898 | $5,336,270 | $32,825,111 | $28,575,440 | $67,326,036 |
| Platinum, unwrought or in semi-manufactured forms, or in powder form. | $2,100 | | | | | | |
| Articles of jewellery and parts thereof, of precious metal | $34,023,240 | $35,286,499 | $27,334,629 | $21,875,994 | $10,839,980 | $13,218,213 | $12,165,943 |
| Articles of goldsmiths' or silversmiths' wares | $15,216 | $18,040 | $91,940 | $106,006 | $86,228 | $125,122 | $267,673 |
| Other articles of precious metal or of metal clad with precious metal. | $689,469 | $152,458 | $11,988 | | $601 | | |
| Articles of natural or cultured pearls, precious or semi-precious stones | $196,916 | $50,658 | $135,669 | $96,933 | $70,118 | $68,216 | $126,473 |
| Imitation jewellery. | $52,250 | $75,531 | $72,657 | $45,879 | $65,850 | $220,464 | $95,831 |
| Coin. | $2,030 | $15,538 | $11,800 | $49,459 | $544 | $397 | $288 |
| Total | $335,453,681 | $319,745,302 | $207,322,119 | $173,809,334 | $104,466,683 | $132,935,680 | $195,910,408 |
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