• Pool average operating margin for 2023 was 14.37%, a 14.97% decline from 2022.
• Pool average operating margin for 2022 was 16.9%, a 16.15% decline from 2021.
• Pool average operating margin for 2021 was 14.55%, a 31.32% increase 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.