Commodity200520062007200820092010
Machines for balancing mech. parts  $1,935 $3,704$198
Test benches $164 $16$25$4,026
Measuring/checking instr., app.& machines, n.e.s. in Ch. 90$15,881$8,099$35,317$43,864$65,329$237,891
Parts & accessories of the instr., app. & machines of 90.31$10   $671$5,731
Total$15,891$8,263$37,252$43,880$69,729$247,846