20 percent of adjusted operating income. Boeing in 2016 disclosed that 10.9 percent of its revenues came from China. Blackden, Richard. “GE Warns of Slowing China Sales and Slump in Oil Prices.” Financial Times. January 22, 2016. https://www.ft.com /content/29315f70-c10a-11e5-9fdb-87b8d15baec2; “Wal-Mart Needs to Grow Overseas, and China’s