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| Commodity | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Time-registers; time-recorders, with clock/watch movement/with synchronous ... | $6,363 | | | | | |
| Time of day recording app. & app. for meas., recording/othw. indicating int ... | $787 | $1,481 | $2,343 | $848 | $2,395 | $1,364 |
| Total | $7,150 | $1,481 | $2,343 | $848 | $2,395 | $1,364 |
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