Commodity2005200620072008200920102011
Drafting tables & machines, whether or not auto. $10,210$6,802$65,000 $754 
Drawing/marking-out/mathematical calculating instr. other than drafting tab ...$6,566$3,971$12,280$10,230$6,840$5,982$33,423
Micrometers, callipers & gauges$45,336$35,543$76,470$124,210$42,379$51,820$44,024
Instruments for meas. length, for use in the hand (e.g., meas. rods & tapes ...$315,418$144,725$328,117$316,108$182,663$324,558$292,995
Parts & accessories of the instr. of 90.17$3,214$3,162$6,651$610$1,493$1,117$9
Total$370,534$197,611$430,320$516,158$233,375$384,231$370,451