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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 |
| Dictating machines not capable of op. without an ext. source of power | $2,282 | $5,384 | | | |
| Telephone answering machines | $64,163 | $1,027 | | $6,708 | $20,511 |
| Magnetic tape recorders incorp. sound repr. app., n.e.s. in 85.20 | $3,426 | $5,166 | $4,625 | $1,167 | |
| Sound recording app., whether or not incorp. a sound repr. device, n.e.s. i ... | $32,678 | $25,710 | $47,713 | $122,133 | |
| Total | $102,549 | $37,287 | $52,338 | $130,008 | $20,511 |
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