The 12-month total of $8.4 billion in such exports is up 31 percent from a year earlier.
With every $1 billion in exports, 25,000 new jobs are created.
The net effect is to cost American companies some $9 billion a year in lost exports.
Only strong growth in exports kept the economy expanding at all.
As foreign trade goes, the loss of $130 million a year in exports is a minor matter.
"I wouldn't read too much into the size of the decline in exports."
It was not really part of a surge in American exports.
It accounted for about $1.4 billion in exports last year.
For every $1 billion in exports about 15,000 port jobs are created.
Over all, the industry generates $60 billion a year in exports.