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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Dictating machines not capable of op. without an ext. source of power | $299 | $2,614 | | | | | |
| Telephone answering machines | $84,576 | $53,568 | $18,387 | $78,775 | $76,467 | $9,792 | $16,099 |
| Magnetic tape recorders incorp. sound repr. app., n.e.s. in 85.20 | $26,261 | $65,815 | | | | | |
| Sound recording app., whether or not incorp. a sound repr. device, n.e.s. i ... | $2,481,235 | $6,705,311 | | | | | |
| Total | $2,592,371 | $6,827,308 | $18,387 | $78,775 | $76,467 | $9,792 | $16,099 |
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