Source: US. Bureau of Economic Analysis
Source: US. Bureau of the Census
US. Bureau of Economic Analysis and US. Bureau of the Census, U.S. Exports of Services: Maintenance and Repair Services, not included elsewhere [ITXMARM133S], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/ITXMARM133S, July 26, 2016.