Number of 10,000 deadweight tonnage (dwt) or greater vessel calls
| Type | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | Percent change, 20022008 |
|---|---|---|---|---|---|---|---|---|
| Tanker | 17,320 | 18,503 | 19,316 | 20,118 | 21,231 | 21,724 | 20,907 | 20.7 |
| Double hull | 10,045 | 11,905 | 14,055 | 15,869 | 17,747 | 19,026 | 19,036 | 89.5 |
| Product | 10,949 | 10,998 | 11,572 | 12,217 | 13,282 | 13,277 | 12,662 | 15.6 |
| Double hull | 5,770 | 6,578 | 7,712 | 8,799 | 10,252 | 10,811 | 10,952 | 89.8 |
| Crude | 6,371 | 7,505 | 7,744 | 7,901 | 7,949 | 8,447 | 8,245 | 29.4 |
| Double hull | 4,275 | 5,327 | 6,343 | 7,070 | 7,495 | 8,215 | 8,084 | 89.1 |
| Container | 17,138 | 17,287 | 18,279 | 18,542 | 19,591 | 19,863 | 18,735 | 9.3 |
| Dry Bulk | 11,112 | 10,271 | 11,631 | 11,406 | 12,508 | 11,040 | 10,363 | -6.7 |
| Ro-Ro | 5,632 | 5,191 | 5,317 | 5,663 | 6,318 | 6,077 | 5,964 | 5.9 |
| Vehicle | 3,605 | 3,113 | 3,065 | 3,652 | 4,182 | 4,084 | 4,102 | 13.8 |
| Gas | 739 | 926 | 916 | 969 | 961 | 917 | 769 | 4.1 |
| LNG | 89 | 164 | 173 | 203 | 213 | 202 | 171 | 92.1 |
| Combination | 761 | 666 | 459 | 414 | 334 | 235 | 180 | -76.3 |
| General | 3,894 | 3,915 | 3,967 | 3,935 | 4,054 | 3,948 | 3,660 | -6.0 |
| All Types | 56,596 | 56,759 | 59,885 | 61,047 | 64,997 | 63,804 | 60,578 | 7.0 |
NOTES: LNG = Liquified Natural Gas. Ro-Ro = Roll on-Roll off. See glossary for definitions of vessel types.
SOURCE: U.S. Department of Transportation, Maritime Administration, Vessel Calls at U.S. Ports by Vessel Type (Washington, DC: September 2009), available at http://www.marad.dot.gov/library_landing_page/data_and_statistics/Data_and_Statistics.htm as of October 2009.