Sub-Chapter20052006200720082009
Pearls, natural or cultured$16,792$23,219$35,599$34,068$42,532
Diamonds, whether or not worked, but not mounted or set.  $4,104$23,144 
Precious stones (other than diamonds) and semi-precious stones$8,856$10,190$26,420$44,777$11,815
Synthetic or reconstructed precious or semi-precious stones$10,104$7,992$5,531$3,884$20,851
Dust and powder of natural or synthetic precious or semi-precious stones.$1,553    
Silver (including silver plated with gold or platinum)$87,956$51,453$46,529$87,792$55,602
Base metals clad with silver $264   
Base metals or silver, clad with gold, not further worked than semi-manufac ... $2,898 $2,554$3,485
Platinum, unwrought or in semi-manufactured forms, or in powder form. $114$13,037$24,468$22,015
Base metals, silver or gold, clad with platinum $490   
Articles of jewellery and parts thereof, of precious metal$658,133$919,533$1,131,459$1,466,713$1,882,575
Articles of goldsmiths' or silversmiths' wares$48,257$34,018$18,115$95,186$15,953
Other articles of precious metal or of metal clad with precious metal.$20,572$59,064$92,978$94,000$2,637
Articles of natural or cultured pearls, precious or semi-precious stones$43,341$56,674$75,048$104,612$54,447
Imitation jewellery.$1,027,897$1,399,459$1,667,465$2,218,879$2,351,736
Coin.  $48$561$16,727
Total$1,923,461$2,565,368$3,116,333$4,200,638$4,480,375