The ITA promotes trade and investments in the United States through data aggregation and studies on global markets and specific U.S. regions. The agency utilizes its research to negotiate on behalf of U.S. industries and is also responsible for enforcing compliance with trade agreements.
The ITA reports trade totals for exports in the largest export metros in the U.S. The Philadelphia-Camden-Wilmington metro area, which consists of 10 counties in Delaware, Pennsylvania, New Jersey and Maryland, exported $21.57 billion in 2017. New Castle County's total exports accounted for 25.9 percent of the metro area's total exports.
The following table shows how much each of the area's counties exported in 2017.