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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Drafting tables & machines, whether or not auto. | $3,154,643 | $2,690,115 | $3,303,579 | $9,470,332 | $2,572,054 | $2,732,172 | $3,659,978 |
| Drawing/marking-out/mathematical calculating instr. other than drafting tab ... | $16,903,487 | $18,141,088 | $19,274,747 | $17,420,897 | $14,599,513 | $13,826,281 | $13,078,238 |
| Micrometers, callipers & gauges | $7,666,756 | $8,049,556 | $9,940,838 | $18,656,401 | $8,841,150 | $9,841,394 | $8,223,535 |
| Instruments for meas. length, for use in the hand (e.g., meas. rods & tapes ... | $11,453,695 | $14,460,978 | $14,667,445 | $14,686,713 | $8,726,395 | $10,342,443 | $11,873,027 |
| Parts & accessories of the instr. of 90.17 | $1,536,538 | $1,181,720 | $1,299,357 | $840,463 | $914,746 | $757,651 | $1,010,551 |
| Total | $40,715,119 | $44,523,457 | $48,485,966 | $61,074,806 | $35,653,858 | $37,499,941 | $37,845,329 |
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