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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Dictating machines not capable of op. without an ext. source of power | $1,315 | $1,872 | | | | |
| Telephone answering machines | $525 | $31,286 | $413 | $4,208 | $4,200 | $1,555 |
| Magnetic tape recorders incorp. sound repr. app., n.e.s. in 85.20 | $8,071 | $14,849 | | | | |
| Sound recording app., whether or not incorp. a sound repr. device, n.e.s. i ... | $6,159 | $21,787 | $3,997 | | | |
| Total | $16,070 | $69,794 | $4,410 | $4,208 | $4,200 | $1,555 |
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