18 districts with trade activity
| Rank# | District | Imports | Exports | Balance |
|---|---|---|---|---|
| 1 | San Francisco, CA | -- | $580K | +$580K |
| 2 | Buffalo, NY | $18K | -- | -$18K |
| 3 | Great Falls, MT | $11K | -- | -$11K |
| 4 | Norfolk, VA | $7K | -- | -$7K |
| 5 | Pembina, ND | $1K | -- | -$1K |
| 6 | Charleston, SC | -- | -- | -- |
| 7 | Savannah, GA | -- | -- | -- |
| 8 | New Orleans, LA | -- | -- | -- |
| 9 | Detroit, MI | -- | -- | -- |
| 10 | Chicago, IL | -- | -- | -- |
| 11 | Houston-Galveston, TX | -- | -- | -- |
| 12 | Dallas-Fort Worth, TX | -- | -- | -- |
| 13 | Boston, MA | -- | -- | -- |
| 14 | Laredo, TX | -- | -- | -- |
| 15 | Los Angeles, CA | -- | -- | -- |
| 16 | Seattle, WA | -- | -- | -- |
| 17 | Miami, FL | -- | -- | -- |
| 18 | Low Value | -- | -- | -- |