|
| Commodity | 2007 | 2008 | 2009 | 2010 |
| Telephonic/telegraphic switching app. | $36,377,309 | $35,647,139 | $16,442,599 | $20,953,834 |
| Parts of the app. & equip. of 85.17 | $19,365,839 | $18,919,597 | $8,988,632 | $11,571,542 |
| Total | $55,743,148 | $54,566,736 | $25,431,231 | $32,525,376 |
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