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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2011 |
| Drilling machines other than way-type unit head machines, op. by removing m ... | $952 | | | | $904 | |
| Drilling machines other than way-type unit head machines, op. by removing m ... | $2,284 | | $209 | $5,013 | | $53 |
| Boring-milling machines other than way-type unit head machines, op. by remo ... | | | $37,582 | | | |
| Boring machines n.e.s. in 84.59, op. by removing metal | | $281 | | | $12,653 | $40,983 |
| Milling machines op. by removing metal, knee-type, other than numerically c ... | | | | | $1,692 | $12,093 |
| Milling machines (excl. knee-type) op. by removing metal, other than numeri ... | | | | $2,690 | $6,958 | $1,440 |
| Total | $3,236 | $281 | $37,791 | $7,703 | $22,207 | $54,569 |
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