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| Chapter | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Railway or tramway locomotives, rolling-stock and parts thereof | $4,605,077 | $5,102,083 | $5,425,728 | $1,400,064 | $1,206,313 | $1,222,896 |
| Vehicles other than railway or tramway rolling stock | $177,204,490 | $326,642,957 | $359,246,588 | $125,133,491 | $127,365,583 | $136,151,232 |
| Aircraft, spacecraft, and parts thereof | $1,411,278 | $792,884 | $36,217,601 | $27,643,308 | $6,904,876 | $1,036,399 |
| Ships, boats and floating structures | $1,771,840 | $4,212,476 | $9,483,336 | $10,069,986 | $4,102,349 | $6,244,797 |
| Total | $184,992,685 | $336,750,400 | $410,373,253 | $164,246,849 | $139,579,121 | $144,655,324 |
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