“The port’s container volume was 9.3 million twenty-foot equivalent units (TEU) in calendar year 2017, a 5.5% increase over 2016’s record-breaking year of 8.8 million TEU. It’s the most cargo moved annually by a Western Hemisphere port. The port is the busiest port in the United States by container volume, the 19th-busiest container port in the world, and the 10th-busiest worldwide when combined with the neighboring Port of Long Beach. The port is also the number-one freight gateway in the United States when ranked by the value of shipments passing through it.”
https://en.wikipedia.org/wiki/Port_of_Los_Angeles#Shipping
“The port’s container volume was 9.3 million twenty-foot equivalent units (TEU) in calendar year 2017,”
That’s a line of containers end-on-end stretching from LA to NYC then back again x 5.