Table 1.15: Operating Margins of the Top Insurers, 2013 – 2015 Supplementary Data Tables, Trends in Overall Health Care Market Table 1.15: Operating Margins of the Top Insurers, 2013 – 2015   2013 2014 2015 Aetna 6.7% 7.3% 8.1% Anthem(1) 8.0% 5.9% United HealthCare 7.9% 7.0% Cigna 9.5% 8.8% Humana 5.0% 4.5% Source: YCharts data used for 2014 and 2015. Data from FactSet Research Systems Inc. used in 2012, 2013, and earlier years’ Chartbooks. (1) Wellpoint in 2014 and earlier years’ Chartbooks. In December 2014, Wellpoint changed its name to Anthem. Data for Chart 1.31 A-17