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| Sub-Chapter | 2005 | 2006 | 2007 | 2008 | 2010 |
| Pearls, natural or cultured | $271,833 | $889,764 | $927,239 | $277,705 | $851,394 |
| Diamonds, whether or not worked, but not mounted or set. | $377,768 | $1,064,252 | $4,169,450 | $6,461,395 | $3,743,251 |
| Precious stones (other than diamonds) and semi-precious stones | $110,154 | $212,964 | $5,124,478 | $21,091,934 | $528,722 |
| Synthetic or reconstructed precious or semi-precious stones | $2,721,931 | $288,296 | $168,625 | $457,601 | $289,202 |
| Dust and powder of natural or synthetic precious or semi-precious stones. | $5,323,957 | $10,399,477 | $12,879,458 | $5,075,193 | $20,981,076 |
| Silver (including silver plated with gold or platinum) | $113,058 | $114,975 | $81,186 | $289,262 | $71,930 |
| Base metals clad with silver | $158,881 | $376,403 | $1,123,529 | $735,447 | $1,545,214 |
| Gold (including gold plated with platinum) | | $29,482,073 | $39,738,014 | $3,525,370 | $129,961,316 |
| Base metals or silver, clad with gold, not further worked than semi-manufac ... | $559,188 | $733,997 | $1,181,869 | $1,219,905 | $1,166,021 |
| Platinum, unwrought or in semi-manufactured forms, or in powder form. | $96,616 | $7,214 | $164,570 | $216,372 | $597,973 |
| Base metals, silver or gold, clad with platinum | $461,254 | $3,246,528 | $5,029,807 | $5,881,660 | $1,324,931 |
| Articles of jewellery and parts thereof, of precious metal | $35,690,241 | $55,431,832 | $63,079,739 | $53,361,021 | $116,151,282 |
| Articles of goldsmiths' or silversmiths' wares | $88,803,111 | $72,350,965 | $181,485,172 | $107,675,189 | $136,604,035 |
| Other articles of precious metal or of metal clad with precious metal. | $141,716 | $29,036 | $348,428 | $486,811 | $398,638 |
| Articles of natural or cultured pearls, precious or semi-precious stones | $887,541 | $1,330,640 | $1,690,809 | $2,128,227 | $2,307,399 |
| Imitation jewellery. | $3,483,436 | $7,599,026 | $10,222,834 | $15,303,287 | $13,599,142 |
| Coin. | $31,803 | $329 | $518 | $39,051 | $6,316,818 |
| Total | $139,232,488 | $183,557,771 | $327,415,725 | $224,225,430 | $436,438,344 |
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