|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2010 | 2011 |
| Pile-drivers & pile-extractors | | | | | $59,080 | |
| Coal/rock cutters & tunnelling mach., self-propelled | | | $285 | | $2,242 | |
| Boring/sinking mach. (excl. of 8430.10-8430.40), self-propelled | | | | $160,542 | | $142,584 |
| Tamping/compacting mach., not self-propelled | $3,800 | $8,000 | $2,180 | $23,500 | $1,849 | $315,347 |
| Total | $3,800 | $8,000 | $2,465 | $184,042 | $63,171 | $457,931 |
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