The 50-60 Year Commodity Cycle Posted on September 22, 2015March 26, 2020 by Independent.Investments U.S. Wholesale Prices, 1804-2015. Percent Change from Year Earlier. 10-Year Average. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Pocket (Opens in new window)Click to email this to a friend (Opens in new window)Like this:Like Loading...