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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Dictating machines not capable of op. without an ext. source of power | $33,579 | $55,279 | | | | |
| Telephone answering machines | $389,268 | $339,212 | $233,380 | $66,311 | $80,926 | $388,610 |
| Magnetic tape recorders incorp. sound repr. app., n.e.s. in 85.20 | $68,402 | $513,844 | | | | |
| Sound recording app., whether or not incorp. a sound repr. device, n.e.s. i ... | $923,793,791 | $732,764,996 | | | | |
| Total | $924,285,040 | $733,673,331 | $233,380 | $66,311 | $80,926 | $388,610 |
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