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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2011 |
| Liquid/liquefied-gas fuels in conts. of a kind used for filling/refilling c ... | $1,888 | $4,250 | $7,591 | $10,313 | $6,630 | $6,582 |
| Ferro-cerium & oth. pyrophoric alloys in all forms; arts. of combustible ma ... | $12,615 | $30,615 | $32,866 | $24,488 | $26,123 | $37,474 |
| Total | $14,503 | $34,865 | $40,457 | $34,801 | $32,753 | $44,056 |
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