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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Electrical signalling/safety/traffic control equip. for railways/tramways | $3,638,600 | $2,160,000 | $2,553,500 | $3,223,300 | $2,692,400 | $2,706,100 | $5,508,200 |
| Electrical signalling/safety/traffic control equip. other than for railways ... | $67,000 | $24,700 | $119,500 | $45,900 | $716,800 | $166,400 | $414,600 |
| Parts of the electrical signalling/safety/traffic control equip. of 85.30 | $1,974,800 | $988,700 | $2,120,300 | $2,205,900 | $1,016,700 | $1,261,300 | $2,262,400 |
| Total | $5,680,400 | $3,173,400 | $4,793,300 | $5,475,100 | $4,425,900 | $4,133,800 | $8,185,200 |
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