I came across the worldbank.org and they had many statistics over time concerning the United States. I took their dataset and filtered to only include imports to the United States.
Commercial Service Imports
This section is looking at the percentage of commercial services imports to the United States.
Travel Services – Percentage
Transport Services – Percentage
We can see here that the percentage of all commercial service imports has decreased from 45% to 21%.
Computer, Communications and Other Services – Percentage
Is this really that surprising? It is fascinating to note that the computer, communications and other services commercial imports has flat lined over the past 5 or so years.
This section is looking at the percentage of merchandise imports to the United States.
Ores and Metals Imports – Percentage
This can be explained by Clayton Christensen’s theory of Disruptive Innovation with the widespread use of plastic.
Manufacture Imports – Percentage
Fuel Imports – Percentage
Food Imports – Percentage
Agricultural Raw Materials Imports – Percentage