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| Chapter | 2005 | 2006 | 2007 |
| Railway or tramway locomotives, rolling-stock and parts thereof | $12,770,903 | $12,974,923 | $18,143,619 |
| Vehicles other than railway or tramway rolling stock | $542,977 | $377,864 | $1,967,200 |
| Aircraft, spacecraft, and parts thereof | $428,845 | $1,091,893 | $3,257,949 |
| Ships, boats and floating structures | $1,861,226 | $6,053,288 | $25,873 |
| Total | $15,603,951 | $20,497,968 | $23,394,641 |
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