Are data for seasonally adjusted trade in goods and services by geography available as a time series?

Yes. Data for seasonally adjusted trade in goods and services by geography are available in a historical time series file beginning with first quarter 1999 for most of the featured countries and areas. Exceptions are Ireland, Israel, Malaysia, Switzerland, and Vietnam for which data for trade in services are available beginning with first quarter 2013. This file is updated quarterly with the U.S. International Trade in Goods and Services release in March, June, September, and December.