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| Sub-Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Diamonds, whether or not worked, but not mounted or set. | $43,222,966 | $38,510,443 | $33,781,542 | $29,165,897 | $13,223,634 | $9,284,250 | $10,173,228 |
| Precious stones (other than diamonds) and semi-precious stones | $368 | $899 | $296 | $98 | $25 | $74 | |
| Synthetic or reconstructed precious or semi-precious stones | $558 | | | | | | |
| Dust and powder of natural or synthetic precious or semi-precious stones. | $170,566 | $12,673,049 | | | | | |
| Silver (including silver plated with gold or platinum) | $524 | $12 | $60 | | | | |
| Base metals clad with silver | $1,776 | | | | | | |
| Gold (including gold plated with platinum) | $80,544,839 | $79,620,115 | $158,464,751 | $205,515,752 | $279,677,928 | $249,431,673 | $315,358,784 |
| Platinum, unwrought or in semi-manufactured forms, or in powder form. | | $12 | $42,563 | | | | |
| Base metals, silver or gold, clad with platinum | | | | | | $10 | |
| Articles of jewellery and parts thereof, of precious metal | $117,396 | $27,231 | $29,625 | $193 | $7,911 | $3,928,047 | $2,746,321 |
| Articles of goldsmiths' or silversmiths' wares | | $20 | $14 | $199 | $49 | | $323 |
| Other articles of precious metal or of metal clad with precious metal. | $5,405 | $70 | $271 | | | | |
| Articles of natural or cultured pearls, precious or semi-precious stones | $2,381 | | $74 | | $723 | $319 | |
| Imitation jewellery. | $7,860 | $14,834 | $11,147 | $11,193 | $3,686 | $4,423 | $10,927 |
| Total | $124,074,639 | $130,846,685 | $192,330,343 | $234,693,332 | $292,913,956 | $262,648,796 | $328,289,583 |
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