|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2011 |
| Boring/sinking mach. (excl. of 8430.10-8430.40), self-propelled | | $2,300 | | | | |
| Boring/sinking mach. (excl. of 8430.10-8430.40), other than self-propelled | $7,802 | $3,768 | $30,649 | $3,000 | $114,382 | $5,674 |
| Total | $7,802 | $6,068 | $30,649 | $3,000 | $114,382 | $5,674 |
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