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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Dictating machines not capable of op. without an ext. source of power | $3,486,787 | $4,188,691 | | | | | |
| Telephone answering machines | $10,686,821 | $17,356,097 | $944,696 | $1,122,566 | $975,722 | $1,264,565 | $1,438,373 |
| Magnetic tape recorders incorp. sound repr. app., n.e.s. in 85.20 | $21,411,147 | $8,022,807 | | | | | |
| Sound recording app., whether or not incorp. a sound repr. device, n.e.s. i ... | $81,619,602 | $251,705,964 | | | | | |
| Total | $117,204,357 | $281,273,559 | $944,696 | $1,122,566 | $975,722 | $1,264,565 | $1,438,373 |
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