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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Radar app. | $1,597,830 | $2,999,673 | $2,763,160 | $2,660,749 | $1,007,467 | $1,535,413 | $478,799 |
| Radio navigational aid app. | $13,203,331 | $13,349,892 | $3,153,352 | $1,973,918 | $828,705 | $1,155,938 | $1,477,774 |
| Radio remote control app. | $16,562,803 | $18,157,127 | $18,398,560 | $16,103,171 | $11,984,069 | $8,128,340 | $8,501,852 |
| Total | $31,363,964 | $34,506,692 | $24,315,072 | $20,737,838 | $13,820,241 | $10,819,691 | $10,458,425 |
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