|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Furnace burners for liquid fuel | | $4,779 | $3,648 | $199 | | | |
| Furnace burners other than those for liquid fuel, incl. combination burners ... | | | $33,497 | $2,978 | $20,199 | $1,701 | $1,286 |
| Parts of the furnace burners, mech. stokers & mech. ash dischargers & sim. ... | $112 | | | | | $7,248 | $66,150 |
| Total | $112 | $4,779 | $37,145 | $3,177 | $20,199 | $8,949 | $67,436 |
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