U.S. Foreign Waterborne Trade
Most recent update: June 24, 2010.
Source: "Waterborne Commerce of the United States", U.S. Army Corps of Engineers
(million short tons)
| Year | Imports | Exports | Total |
| 1965 | 270 | 174 | 444 |
| 1966 | 284 | 188 | 472 |
| 1967 | 276 | 190 | 466 |
| 1968 | 311 | 197 | 508 |
| 1969 | 320 | 201 | 521 |
| 1970 | 339 | 242 | 581 |
| 1971 | 360 | 206 | 566 |
| 1972 | 398 | 232 | 630 |
| 1973 | 490 | 277 | 767 |
| 1974 | 497 | 267 | 764 |
| 1975 | 477 | 272 | 749 |
| 1976 | 570 | 286 | 856 |
| 1977 | 658 | 277 | 935 |
| 1978 | 643 | 303 | 946 |
| 1979 | 633 | 360 | 993 |
| 1980 | 518 | 404 | 922 |
| 1981 | 477 | 410 | 887 |
| 1982 | 417 | 403 | 820 |
| 1983 | 388 | 363 | 751 |
| 1984 | 427 | 376 | 803 |
| 1985 | 413 | 362 | 775 |
| 1986 | 486 | 351 | 837 |
| 1987 | 508 | 383 | 891 |
| 1988 | 550 | 426 | 976 |
| 1989 | 590 | 448 | 1,038 |
| 1990 | 600 | 442 | 1,042 |
| 1991 | 555 | 458 | 1,013 |
| 1992 | 587 | 451 | 1,038 |
| 1993 | 649 | 411 | 1,060 |
| 1994 | 719 | 396 | 1,115 |
| 1995 | 673 | 475 | 1,148 |
| 1996 | 733 | 451 | 1,184 |
| 1997 | 788 | 432 | 1,220 |
| 1998 | 840 | 405 | 1,245 |
| 1999 | 861 | 400 | 1,261 |
| 2000 | 940 | 415 | 1,355 |
| 2001 | 952 | 399 | 1,351 |
| 2002 | 935 | 384 | 1,319 |
| 2003 | 1,005 | 373 | 1,378 |
| 2004 | 1,089 | 416 | 1,505 |
| 2005 | 1,097 | 402 | 1,499 |
| 2006 | 1,131 | 434 | 1,565 |
| 2007 | 1,076 | 467 | 1,543 |
| 2008 | 999 | 522 | 1,521 |