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| Chapter | 2006 | 2007 | 2008 |
| Railway or tramway locomotives, rolling-stock and parts thereof | $746,464 | $1,560,305 | $2,401,554 |
| Vehicles other than railway or tramway rolling stock | $2,839,267,105 | $3,294,925,079 | $3,905,052,225 |
| Aircraft, spacecraft, and parts thereof | $14,017,321 | $519,392 | $214,738 |
| Ships, boats and floating structures | $32,711,281 | $50,990,275 | $37,220,926 |
| Total | $2,886,742,171 | $3,347,995,051 | $3,944,889,443 |
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