From the American Journal of Transportation:
For the fourth year in a row, the Port of Vancouver USA has logged record-breaking cargo tonnage, with 2017 coming in at 7.5 million metric tons, up slightly from the 2016 record of 7.49 million metric tons.
2017 was great year for imports, which climbed to 1.24 million metric tons from 1.17 million metric tons in 2016 – a 6.5 percent increase overall. Steel and dry-bulk commodities continue to be the largest imports at the Port of Vancouver by volume, and in 2017 these cargoes increased 14.8 percent and 47 percent, respectively.
Some exports, such as wheat and soybeans, increased in 2017, but overall exports were down one percent over 2016.