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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Dictating machines not capable of op. without an ext. source of power | $1,853 | $1,305 | | | | | |
| Telephone answering machines | $37,461 | $73,538 | $80,444 | $15,691 | $85,836 | $106,322 | $30,866 |
| Magnetic tape recorders incorp. sound repr. app., n.e.s. in 85.20 | $140,432 | $230,568 | | | | | |
| Sound recording app., whether or not incorp. a sound repr. device, n.e.s. i ... | $344,126 | $1,113,769 | | | | | |
| Total | $523,872 | $1,419,180 | $80,444 | $15,691 | $85,836 | $106,322 | $30,866 |
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