Commodity2005200620072008200920102011
Drafting tables & machines, whether or not auto.$4,065,292$4,055,176$3,070,304$1,728,532$1,143,518$718,719$412,872
Drawing/marking-out/mathematical calculating instr. other than drafting tab ...$832,740$1,032,859$1,205,566$1,787,234$2,258,051$2,605,692$1,530,611
Micrometers, callipers & gauges$710,726$735,974$1,752,940$1,763,568$1,885,323$929,459$676,120
Instruments for meas. length, for use in the hand (e.g., meas. rods & tapes ...$2,430,461$2,610,232$3,464,129$3,303,680$1,789,524$1,503,737$1,650,588
Parts & accessories of the instr. of 90.17$1,082,452$708,756$395,952$384,231$206,182$196,033$222,573
Total$9,121,671$9,142,997$9,888,891$8,967,245$7,282,598$5,953,640$4,492,764