Commodity2005200620072008200920102011
Drafting tables & machines, whether or not auto.$65,911$106,053$273,515$128,855$165,099$150,433$193,658
Drawing/marking-out/mathematical calculating instr. other than drafting tab ...$504,184$419,769$437,658$542,964$571,558$627,839$438,150
Micrometers, callipers & gauges$245,558$250,011$167,105$313,872$172,419$281,914$422,800
Instruments for meas. length, for use in the hand (e.g., meas. rods & tapes ...$633,085$526,611$1,046,944$1,073,165$927,739$971,462$1,369,490
Parts & accessories of the instr. of 90.17$46,552$57,065$71,803$77,898$90,943$41,780$121,137
Total$1,495,290$1,359,509$1,997,025$2,136,754$1,927,758$2,073,428$2,545,235