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| Commodity | 2005 | 2006 | 2007 | 2009 | 2011 |
| Drilling machines other than way-type unit head machines, op. by removing m ... | $336 | $79 | | $5,694 | $2,993 |
| Boring-milling machines other than way-type unit head machines, op. by remo ... | $845 | $373 | $3,719 | $19,132 | |
| Boring machines n.e.s. in 84.59, op. by removing metal | | | | | $1,397 |
| Milling machines op. by removing metal, knee-type, other than numerically c ... | | | | $9,583 | |
| Milling machines (excl. knee type) op. by removing metal, numerically contr ... | $3,756 | $21,958 | | | |
| Milling machines (excl. knee-type) op. by removing metal, other than numeri ... | $1,178 | $6,657 | | | $7,252 |
| Threading/tapping machines op. by removing metal, n.e.s. in 84.59 | | | | $597 | $640 |
| Total | $6,115 | $29,067 | $3,719 | $35,006 | $12,282 |
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