(Thousands)
| 1999 | 2000 | 2001 | 2002 | 2003 | |
|---|---|---|---|---|---|
| Via truck | 593 | 681 | 716 | 726 | 712 |
| Via rail | 4 | 4 | 3 | 4 | 3 |
SOURCE: U.S. Department of Transportation, Bureau of Transportation Statistics, based on data from U.S. Department of Homeland Security, Customs and Border Protection, Operations Management Database, 1999-2003.