Commodity200520062007200820092010
Machines for balancing mech. parts   $4,675 $363
Measuring/checking instr., app.& machines, n.e.s. in Ch. 90$13,199$3,640$42,837$9,530$9,677$13,615
Parts & accessories of the instr., app. & machines of 90.31 $26,413$5,787$8,712$773$17,038
Total$13,199$30,053$48,624$22,917$10,450$31,016