Go to the FRED(Links to an external site.) foreign exchange rates "by country" site(Links to an external site.) and pick the currency of one on the major trading partners of the United States. The currencies of our major trading partners include the Euro, Canadian dollar, Japanese Yen, Chinese Yuan, British Pound, and the Mexican Peso. Examine the ten-year chart for the currency that you have chosen.

https://fred.stlouisfed.org/categories/158