Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
Microphones & stands therefor | $205,089,794 | $327,299,220 | $391,831,702 | $546,838,162 | $421,895,731 | $499,592,497 | $559,884,703 |
Single loudspeakers, mounted in their enclosures | $26,760,185 | $36,632,030 | $32,159,588 | $31,421,124 | $22,960,320 | $25,373,618 | $30,710,850 |
Multiple loudspeakers, mounted in the same enclosure | $63,217,512 | $71,034,113 | $86,058,623 | $98,779,301 | $99,840,760 | $136,285,972 | $171,289,995 |
Loudspeakers n.e.s. in 85.18, whether or not mounted in their enclosures | $373,542,388 | $464,208,933 | $564,696,193 | $623,912,637 | $601,390,718 | $643,726,906 | $608,162,497 |
Headphones & earphones, whether or not combined with a microphone, & sets c ... | $317,972,720 | $384,888,022 | $448,132,550 | $458,072,383 | $509,648,755 | $600,956,322 | $841,047,494 |
Audio-frequency elec. amplifiers | $34,543,770 | $56,606,468 | $75,999,827 | $88,368,820 | $109,811,719 | $128,367,674 | $146,339,213 |
Electric sound amplifier sets | $5,516,120 | $7,753,965 | $11,200,765 | $15,585,571 | $11,484,794 | $14,510,969 | $17,372,863 |
Parts of the app. & equip. of 85.18 | $419,633,640 | $413,037,855 | $424,018,526 | $395,109,182 | $285,868,041 | $362,669,661 | $382,943,767 |
Total | $1,446,276,129 | $1,761,460,606 | $2,034,097,774 | $2,258,087,180 | $2,062,900,838 | $2,411,483,619 | $2,757,751,382 |
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