Commodity200520062007200820092010
Drafting tables & machines, whether or not auto.$1,213,247$639,648$1,519,765$1,342,380$669,397$872,158
Drawing/marking-out/mathematical calculating instr. other than drafting tab ...$3,903,601$3,622,533$4,665,921$4,890,428$4,370,647$3,768,951
Micrometers, callipers & gauges$4,553,029$4,831,636$5,835,034$6,204,063$3,939,979$4,722,918
Instruments for meas. length, for use in the hand (e.g., meas. rods & tapes ...$12,665,233$13,445,377$15,198,606$18,345,692$15,352,795$17,504,886
Parts & accessories of the instr. of 90.17$2,998,525$2,732,470$2,670,737$2,609,554$1,433,525$1,725,825
Total$25,333,635$25,271,664$29,890,063$33,392,117$25,766,343$28,594,738