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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Dictating machines not capable of op. without an ext. source of power | $2,000 | $7,513 | | | | | |
| Telephone answering machines | $28,000 | $49,929 | $16,843 | $19,382 | $18,382 | $5,844 | $4,596 |
| Magnetic tape recorders incorp. sound repr. app., n.e.s. in 85.20 | $87,000 | $28,108 | | | | | |
| Sound recording app., whether or not incorp. a sound repr. device, n.e.s. i ... | $556,000 | $491,453 | | | | | |
| Total | $673,000 | $577,003 | $16,843 | $19,382 | $18,382 | $5,844 | $4,596 |
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