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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Dictating machines not capable of op. without an ext. source of power | $2,658 | $5,073 | | | | | |
| Telephone answering machines | $6,239 | $18,339 | $11,466 | $8,550 | $16,001 | $8,466 | $14,481 |
| Magnetic tape recorders incorp. sound repr. app., n.e.s. in 85.20 | $4,795 | $2,023 | | | | | |
| Sound recording app., whether or not incorp. a sound repr. device, n.e.s. i ... | $206,191 | $528,681 | | | | | |
| Total | $219,883 | $554,116 | $11,466 | $8,550 | $16,001 | $8,466 | $14,481 |
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