| Trade | 2001 | 2002 | 2003 | 2004 | 2005 | Percent Change 2001-05 |
|---|---|---|---|---|---|---|
| Ocean | 740 | 685 | 701 | 714 | 736 | -0.5 |
| Tanker | 286 | 271 | 287 | 290 | 275 | -3.8 |
| Double-hull | 131 | 138 | 173 | 187 | 193 | 47.3 |
| Dry bulk | 198 | 174 | 163 | 175 | 201 | 1.5 |
| Lakers | 52 | 51 | 50 | 49 | 48 | -7.7 |
| Container | 84 | 80 | 82 | 85 | 86 | 2.4 |
| Ro-Ro | 54 | 53 | 54 | 53 | 58 | 7.4 |
| Gas | 16 | 17 | 17 | 17 | 18 | 12.5 |
| Combination | 13 | 13 | 15 | 11 | 12 | -7.7 |
| General Cargo | 37 | 26 | 33 | 34 | 38 | 2.7 |
| Offshore supply | 465 | 479 | 490 | 518 | 532 | 14.4 |
| Coastal & waterways | 38,769 | 38,094 | 37,082 | 37,209 | 38,098 | -1.7 |
| Tugs | 5,180 | 5,150 | 5,172 | 5,314 | 5,510 | 6.4 |
| Dry Cargo barges | 28,888 | 28,281 | 27,272 | 27,197 | 27,690 | -4.1 |
| Tank Barges | 4,122 | 4,068 | 4,031 | 4,069 | 4,254 | 3.2 |
| Double-Hull | 2,717 | 2,820 | 2,809 | 2,895 | 3,045 | 12.1 |
| Ferries | 579 | 595 | 607 | 629 | 644 | 11.2 |
SOURCES: Clarksons Research Services Limited, Shipping Vessel Register for ocean and offshore; U.S. Army Corps of Engineers, Transportation Lines of the United States for coastal and waterways.