• DBSs average operating margin for 2018 was 36.59%, a 6.74% increase from 2017.
• DBSs average operating margin for 2017 was 34.28%, a 9% increase from 2016.
• DBSs average operating margin for 2016 was 37.67%, a 3.31% decline from 2015.

Operating margin can be defined as operating margin measurement of what proportion of a company's revenue is left over after paying for variable costs of production such as wages, raw materials, etc.