• AES average operating margin for 2023 was 0.49%, a 109.44% decline from 2022.
• AES average operating margin for 2022 was -5.19%, a 841.43% decline from 2021.
• AES average operating margin for 2021 was 0.7%, a 91.89% decline from 2020.

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.