|
| Commodity | 2005 | 2007 | 2008 | 2009 | 2011 |
| Dictating machines not capable of op. without an ext. source of power | | $60,473 | | | |
| Telephone answering machines | | | | $1,279 | $585 |
| Sound recording app., whether or not incorp. a sound repr. device, n.e.s. i ... | $3,029 | | $2,011 | | |
| Total | $3,029 | $60,473 | $2,011 | $1,279 | $585 |
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