128 of 285 a International Lead High Growth Foundational Markets & Total U.S. Markets Markets Corporate Company Revenues 2017 $ 8,006.4 $ 7,340.3 $5,533.2 $ 1,940.5 $22,820.4 2016 8.252.7 7.223.4 6,160.7 2,985.1 24,621.9 2015 8.558.9 7,614.9 6.172.8 3,066.4 25,413.0 Operating income 2017 $ 4,022.4 $ 3.166.5 $2,001.4 $ 362.4 $ 9,552.7 2016 3.768.7 2.838.4 1,048.8 88.6 7,744.5 2015 3,612.0 2.712.6 $41.1 (20.2) 7.145.5 Depreciation and amortization expense 2017 $ 524.1 S 461.1 $ 231.7 $ 146.5 $ 1,363.4 2016 510.3 451.6 362.0 192.6 1,516.5 2015 $15.2 460.9 363.9 215.7 1.555.7 Assets 2017 $12.648.6 $11.844.3 $4.480.7 $ 4,830.1 $33,803.7 2016 11.960.6 9.112.5 5.208.67 4.742.1 31.023.9 2015 11.506.1 11.136.3 5.248.6 9.747.7 37.938.7 Reamired C