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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Dictating machines not capable of op. without an ext. source of power | $248,120 | $220,407 | | | | | |
| Telephone answering machines | $369,366 | $346,024 | $458,758 | $362,155 | $190,461 | $140,438 | $175,316 |
| Magnetic tape recorders incorp. sound repr. app., n.e.s. in 85.20 | $23,713 | $53,234 | | | | | |
| Sound recording app., whether or not incorp. a sound repr. device, n.e.s. i ... | $8,382,220 | $16,267,997 | | | | | |
| Total | $9,023,419 | $16,887,662 | $458,758 | $362,155 | $190,461 | $140,438 | $175,316 |
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