Commodity2005200620072008200920102011
Machines for balancing mech. parts    $800$233 
Test benches $24,872 $20,345 $22,015 
Measuring/checking instr., app.& machines, n.e.s. in Ch. 90$19,865$4,645$11,881$32,701$18,638$37,779$192,620
Parts & accessories of the instr., app. & machines of 90.31  $106$23,582 $592$941
Total$19,865$29,517$11,987$76,628$19,438$60,619$193,561