|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2011 |
| Dictating machines not capable of op. without an ext. source of power | $138 | $2,845 | $2,881 | | |
| Telephone answering machines | | | | $72 | $2,077 |
| Sound recording app., whether or not incorp. a sound repr. device, n.e.s. i ... | $5,711 | $51,928 | $4,217 | $1,933 | |
| Total | $5,849 | $54,773 | $7,098 | $2,005 | $2,077 |
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