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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Dictating machines not capable of op. without an ext. source of power | $1,143,605 | $1,497,600 | | | | | |
| Telephone answering machines | $20,874,655 | $14,799,959 | $11,466,373 | $10,002,843 | $5,089,284 | $7,010,277 | $4,451,757 |
| Magnetic tape recorders incorp. sound repr. app., n.e.s. in 85.20 | $442,941 | $782,984 | | | | | |
| Sound recording app., whether or not incorp. a sound repr. device, n.e.s. i ... | $502,869,428 | $585,300,823 | | | | | |
| Total | $525,330,629 | $602,381,366 | $11,466,373 | $10,002,843 | $5,089,284 | $7,010,277 | $4,451,757 |
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