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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Dictating machines not capable of op. without an ext. source of power | $329,735 | $232,458 | | | | | |
| Telephone answering machines | $69,958 | $36,872 | $75,170 | $30,398 | $15,974 | $10,408 | $6,272 |
| Magnetic tape recorders incorp. sound repr. app., n.e.s. in 85.20 | $190,230 | $153,826 | | | | | |
| Sound recording app., whether or not incorp. a sound repr. device, n.e.s. i ... | $18,666,303 | $24,279,599 | | | | | |
| Total | $19,256,226 | $24,702,755 | $75,170 | $30,398 | $15,974 | $10,408 | $6,272 |
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