Commodity200520072008200920102011
Coal/rock cutters & tunnelling mach., self-propelled     $1,140
Boring/sinking mach. (excl. of 8430.10-8430.40), self-propelled $24,000   $1,000
Boring/sinking mach. (excl. of 8430.10-8430.40), other than self-propelled$3,121$1,393,037$80,000 $40,611 
Tamping/compacting mach., not self-propelled$7,596 $220,000   
Moving/grading/levelling/scraping/excavating/extracting mach., for earth/mi ...$9,709  $12,200$14,200 
Total$20,426$1,417,037$300,000$12,200$54,811$2,140