|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Furnace burners for liquid fuel | $847 | $46,867 | $39,720 | $1,567 | $130,595 | $32,855 | $17,951 |
| Furnace burners other than those for liquid fuel, incl. combination burners ... | $1,526 | $1,724 | $4,647 | $5,354 | $252,837 | $39,774 | $1,040,975 |
| Mechanical stokers (incl. their mech. grates), mech. ash dischargers & sim. ... | $4,344 | | $42,289 | $1,150 | | $310,241 | |
| Parts of the furnace burners, mech. stokers & mech. ash dischargers & sim. ... | $3,197 | $34,138 | $7,591 | $63 | $50,917 | $6,319 | $13,717 |
| Total | $9,914 | $82,729 | $94,247 | $8,134 | $434,349 | $389,189 | $1,072,643 |
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